SUPPLEMENTAL DISCLOSURES OF OPERATING ACTIVITIES: Supplemental Cash Flow Information [Abstract] Customer [Domain] Customer [Domain] Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Net loss Net loss Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Operating lease, right-of-use assets Operating Lease, Right-of-Use Asset Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Accrued compensation Employee-related Liabilities, Current Income Statement Location [Axis] Income Statement Location [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Entity Address, Address Line One Entity Address, Address Line One Valuation Technique, Option Pricing Model Valuation Technique, Option Pricing Model [Member] Weighted average exercise price, options cancelled (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Cancellations in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Cancellations in Period, Weighted Average Exercise Price Europe, Middle East and Africa EMEA [Member] Revenue from Contract with Customer [Abstract] Entity Filer Category Entity Filer Category Options to purchase common stock Share-based Compensation Arrangement by Share-based Payment Award, Options, Options To Purchase Common Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Options To Purchase Common Stock Number of shares underlying outstanding options, options cancelled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Redeemable convertible preferred stock dividends (in dollars per share) Temporary Equity, Dividend Rate, Per-Dollar-Amount Temporary Equity, Dividend Rate, Per-Dollar-Amount Weighted- Average Remaining Contractual Term (in years) Weighted Average Remaining Contractual Term [Abstract] Weighted Average Remaining Contractual Term Customer C Customer C [Member] Customer C Redeemable convertible preferred stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Shares Outstanding (in shares) Temporary Equity, Shares Outstanding Other non-current assets Other Assets, Noncurrent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Expected dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Interest Rate Scenario [Domain] Interest Rate Scenario [Domain] Interest Rate Scenario Stock options exercised, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Change in the fair value included in other income (expense), net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Redeemable Convertible Preferred Stock Tranche Liability Redeemable Convertible Preferred Stock Tranche Liability [Member] Redeemable Convertible Preferred Stock Tranche Liability Document Fiscal Year Focus Document Fiscal Year Focus Exercise price, lower range limit (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Organization, Consolidation and Presentation of Financial Statements [Abstract] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Antidilutive securities excluded from computation of net loss per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Research and development Research and Development Expense [Member] Performance stock, stock price increase percentage Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Stock Price Increase Percentage Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Stock Price Increase Percentage Sale of Stock [Axis] Sale of Stock [Axis] Liability Class [Axis] Liability Class [Axis] Series B Preferred Stock Converted to Common Stock Series B Preferred Stock Converted To Common Stock [Member] Series B Preferred Stock Converted To Common Stock OTI Ouster Technologies, Inc. [Member] Ouster Technologies, Inc. Number of common stock received upon vesting of each performance stock unit (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number Of Common Stock Received Upon Vesting Of Each Performance Stock Unit Share-based Compensation Arrangement by Share-based Payment Award, Number Of Common Stock Received Upon Vesting Of Each Performance Stock Unit Private Placement Private Placement [Member] RSAs vested in period, fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value RSAs granted in period (in shares) Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Conversion of convertible notes to common stock (in shares) Stock issued from conversion of note (in shares) Debt Conversion, Converted Instrument, Shares Issued Award Type [Domain] Award Type [Domain] Exercise Price Range [Axis] Exercise Price Range [Axis] LIBOR Rate Not Available or Applicable LIBOR Rate Not Available Or Applicable [Member] LIBOR Rate Not Available Or Applicable Assets Assets [Abstract] Stock, shares authorized (in shares) Common Stock And Temporary Equity, Shares Authorized Common Stock And Temporary Equity, Shares Authorized Related Party Transactions [Abstract] Weighted average exercise price, options vested and expected to vest (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Stock options exercised, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises In Period, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises In Period, Weighted Average Remaining Contractual Term Stock granted in period, other than options (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Issuance of redeemable convertible preferred stock upon exercise of warrants Issuance Of Redeemable Convertible Preferred Stock Upon Exercise Of Warrants Issuance Of Redeemable Convertible Preferred Stock Upon Exercise Of Warrants Concentration risk, percentage Concentration risk, percentage (less than 10%) Concentration Risk, Percentage Preferred stock, $0.0001 par value; 100,000,000 and Nil shares authorized at June 30, 2021 and December 31, 2020, respectively; Nil and Nil issued and outstanding at June 30, 2021 and December 31, 2020, respectively Preferred Stock, Value, Issued Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Number of shares underlying outstanding options, beginning balance (in shares) Number of shares underlying outstanding options, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Entity Address, City or Town Entity Address, City or Town Preferred stock issued (in dollars per share) Shares Issued, Price Per Share Accumulated Deficit Retained Earnings [Member] Debt Instrument [Axis] Debt Instrument [Axis] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Proceeds from noteholders debt Proceeds from Related Party Debt Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Conversion of redeemable convertible preferred stock to common stock Stock Issued During Period, Value, Conversion of Convertible Securities Percentage of performance stock units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage Of Stock Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Percentage Of Stock Units Supplier B Supplier B [Member] Supplier B Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Related Party [Axis] Related Party [Axis] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Secured Debt Secured Debt [Member] Accounts receivable Increase (Decrease) in Accounts Receivable Property and equipment purchases included in accounts payable and accrued liabilities Capital Expenditures Incurred but Not yet Paid Schedule of Redeemable Convertible Preferred Stock Temporary Equity [Table Text Block] Right-of-use assets obtained in exchange for operating lease liability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability In the Event of Debt Default In The Event Of Debt Default [Member] In The Event Of Debt Default Award vesting schedule in percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Commitments and Contingencies Disclosure [Abstract] Supplier [Axis] Supplier [Axis] Warrant, exercisable, threshold period Class Of Warrant Or Right, Exercisable, Threshold Period Class Of Warrant Or Right, Exercisable, Threshold Period Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Entity Interactive Data Current Entity Interactive Data Current Prime Rate Prime Rate [Member] Customer A Customer A [Member] Customer A Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Other Income (Expense), Net Other Nonoperating Income (Expense) [Member] Net loss per common share, basic (in dollars per share) Earnings Per Share, Basic Revenue Revenue from Contract with Customer [Text Block] Customer deposits Contract with Customer, Liability, Current, Customer Deposit Contract with Customer, Liability, Current, Customer Deposit Proceeds from issuance of Series B redeemable convertible preferred stock, net of issuance cost of $265 Proceeds from Issuance of Convertible Preferred Stock Restricted stock awards, beginning balance (in shares) Restricted stock awards, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Fair value, beginning balance Fair Value, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Document Type Document Type Prepaid expenses Prepaid Expense, Current Interest expense on notes and convertible debt Interest Expense, Debt Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Outstanding shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Exercise Price at $3.92 Exercise Price Range Five [Member] Exercise Price Range Five Investor Investor [Member] Change in fair value of derivative liability Unrealized Gain (Loss) on Derivatives Entity Current Reporting Status Entity Current Reporting Status Schedule of Nonvested Restricted Stock Awards Activity Nonvested Restricted Stock Shares Activity [Table Text Block] Series B Series B Redeemable Convertible Preferred Stock [Member] Series B Redeemable Convertible Preferred Stock Payment of interest and fee upon extinguishment of debt Payment Of Interest And Fees Upon Extinguishment Of Debt Payment Of Interest And Fees Upon Extinguishment Of Debt Non-executive Noteholders Non-executive Noteholders [Member] Non-executive Noteholders Options exercisable, weighted average remaining contractual life (years) Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term Cash equivalents: Cash Equivalents, at Carrying Value [Abstract] Unvested RSA Share-based Compensation Arrangement by Share-based Payment Award, Unvested Restricted Stock Award [Member] Share-based Compensation Arrangement by Share-based Payment Award, Unvested Restricted Stock Award Interest Rate Scenario [Axis] Interest Rate Scenario [Axis] Interest Rate Scenario Exercise Price at $0.15 Exercise Price Range Two [Member] Exercise Price Range Two Debt, outstanding balance Long-term Debt, Gross Redeemable convertible preferred stock, par value (in dollars per share) Temporary Equity, Par or Stated Value Per Share Share-based Payment Arrangement, Tranche Four Share-based Payment Arrangement, Tranche Four [Member] Share-based Payment Arrangement, Tranche Four Plan Name [Axis] Plan Name [Axis] Assets Assets, Fair Value Disclosure [Abstract] Promissory notes, outstanding balance Long-term Debt Total financial assets Assets, Fair Value Disclosure Level 1 Fair Value, Inputs, Level 1 [Member] CASH FLOWS FROM INVESTING ACTIVITIES Net Cash Provided by (Used in) Investing Activities [Abstract] Other Vendors Other Vendors [Member] Other Vendors Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Numerator: Numerator [Abstract] Numerator Total liabilities, redeemable convertible preferred stock, and stockholders’ equity / (deficit) Liabilities and Equity Other Other Accrued Liabilities, Current Share-based Payment Arrangement, Tranche One Share-based Payment Arrangement, Tranche One [Member] Notes receivable from stockholders Receivables from Stockholder [Member] Weighted average exercise price, options exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Restricted cash Restricted Cash Service Service [Member] Additional paid-in capital Additional Paid in Capital Concentration Risk [Line Items] Concentration Risk [Line Items] Liabilities, redeemable convertible preferred stock and stockholders’ equity / (deficit) Liabilities and Equity [Abstract] Derivative Liability Derivative Financial Instruments, Liabilities [Member] Accounts payable Increase (Decrease) in Accounts Payable Options exercisable, weighted average exercise price (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price Description of Business and Basis of Presentation Business Description and Basis of Presentation [Text Block] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Net Loss Per Common Share Earnings Per Share [Text Block] Series Seed Redeemable Convertible Preferred Stock Series Seed Redeemable Convertible Preferred Stock [Member] Series Seed Redeemable Convertible Preferred Stock Operating expenses: Operating Expenses [Abstract] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Issuance of common stock upon exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Minimum Minimum [Member] Number of letters of credit Number Of Letters Of Credit Number Of Letters Of Credit Conversion of redeemable convertible preferred stock to common stock (in shares) Temporary Equity, Conversion Of Temporary Equity To Common Stock, Shares Temporary Equity, Conversion Of Temporary Equity To Common Stock, Shares Shareholder ownership percentage Shareholder Ownership Percentage Shareholder Ownership Percentage 2021 Incentive Award Plan 2021 Incentive Award Plan [Member] 2021 Incentive Award Plan Gross profit (loss) Gross Profit Related Party Affiliated Entity [Member] Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Conversion of Warrant to Ouster Common Stock Conversion Of Warrant To Ouster Common Stock [Member] Conversion Of Warrant To Ouster Common Stock Proceeds from issuance of promissory notes to related parties Proceeds from Notes Payable Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Pre-merger cost Reverse Recapitalization, Pre-merger Cost Reverse Recapitalization, Pre-merger Cost Trading Symbol Trading Symbol Warrants issued in connection with the closing of the Series B redeemable convertible preferred stock Conversion Of Stock, Converted Instrument, Warrants Issued, Amount Conversion Of Stock, Converted Instrument, Warrants Issued, Amount Private Placement Warrants Private Placement Warrants [Member] Private Placement Warrants Current liabilities: Liabilities, Current [Abstract] Class of Warrant or Right [Table] Class of Warrant or Right [Table] Operating lease liability Increase (Decrease) in Operating Lease Liability General and administrative General and Administrative Expense Value of stock called by warrant, percentage of debt face amount Class of Warrant or Right, Value of Securities Called by Warrants or Rights, Percentage Of Outstanding Loan Class of Warrant or Right, Value of Securities Called by Warrants or Rights, Percentage Of Outstanding Loan Options exercisable (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Threshold percentage of exercise price Share-based Compensation Arrangement by Share-based Payment Award, Options Exercisable, Threshold Percentage Of Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options Exercisable, Threshold Percentage Of Exercise Price Stock-based compensation Share-based Payment Arrangement [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Accounting Policies [Abstract] Stock options outstanding, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Issuance cost Payment of offering costs Payments of Stock Issuance Costs Outstanding letter of credit Letters of Credit Outstanding, Amount Public Warrants Public Warrants [Member] Public Warrants Common stock, $0.0001 par value; 1,000,000,000 and 210,956,516 shares authorized at June 30, 2021 and December 31, 2020, respectively; 161,449,205 and 33,327,294 issued and outstanding at June 30, 2021 and December 31, 2020, respectively Common Stock, Value, Issued Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Total other expense, net Nonoperating Income (Expense) Unamortized stock-based compensation expense, period for recognition Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Beginning balance (in dollars per share) Ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Customer Concentration Risk Customer Concentration Risk [Member] Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Performance Stock Unit Performance Shares [Member] Commitments and contingencies (Note 7) Commitments and Contingencies Inventory write down Inventory Write-down Authorized stock, par value (in dollars per share) Common Stock And Temporary Equity, Par Or Stated Value Per Share Common Stock And Temporary Equity, Par Or Stated Value Per Share Restricted Stock Restricted stock units Restricted Stock [Member] Schedule of Stock Options Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Document Period End Date Document Period End Date Short-term debt Secured Debt, Current Conversion of Canceled CLA Units to Public Warrant Conversion Of Canceled CLA Units To Public Warrant [Member] Conversion Of Canceled CLA Units To Public Warrant Class of Stock [Axis] Class of Stock [Axis] Third Party Contract Manufacturer Third Party Contract Manufacturer [Member] Third Party Contract Manufacturer Entity Registrant Name Entity Registrant Name Unit, conversion ratio Unit, Conversion Ratio Unit, Conversion Ratio Warrants outstanding (in shares) Class of Warrant or Right, Outstanding Partial recourse promissory notes Notes Receivable, Related Parties Sale of stock, aggregate commitment amount Sale of Stock, Consideration Received on Transaction Work in process Inventory, Work in Process, Net of Reserves Cash Cash Prepaid expenses and other current assets Total prepaid and other current assets Prepaid Expense and Other Assets, Current Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] Warrants Temporary Equity [Text Block] Temporary Equity Redeemable convertible preferred stock, $0.0001 par value per share; Nil and 131,411,372 shares authorized at June 30, 2021 and December 31, 2020; Nil and 88,434,754 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively (aggregate liquidation preference of Nil and $41,791 at June 30, 2021 and December 31, 2020, respectively) Beginning balance Ending balance Carrying Amount Temporary Equity, Carrying Amount, Attributable to Parent Accrued and other current liabilities Accrued Liabilities, Current Revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Options outstanding, weighted average remaining contractual life (years) Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term 2015 Stock Plan 2015 Stock Plan [Member] 2015 Stock Plan Number of ordinary shares called by each warrant (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Finished goods Inventory, Finished Goods, Net of Reserves Option Share-based Payment Arrangement, Option [Member] Liquidation preference (in dollars per share) Temporary Equity, Liquidation Preference Per Share Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Series A Redeemable Convertible Preferred Stock Series A Redeemable Convertible Preferred Stock [Member] Series A Redeemable Convertible Preferred Stock Reclassification of common stock on exercise of stock options with notes receivable from stockholders Reclassification Of Common Stock On Exercise Of Stock Options With Notes Receivable Reclassification Of Common Stock On Exercise Of Stock Options With Notes Receivable Measurement Input Type [Domain] Measurement Input Type [Domain] Change in fair value of warrant liabilities Warrants, loss (gain) from fair value adjustment Fair Value Adjustment of Warrants Notes Payable, Other Payables Notes Payable, Other Payables [Member] Promissory Note Promissory Note [Member] Promissory Note Interest income Investment Income, Interest Common stock, $0.0001 par value per share Common Stock Common Stock [Member] Variable Rate [Axis] Variable Rate [Axis] Stock options granted, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants In Period, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants In Period, Weighted Average Remaining Contractual Term Loss from operations Operating Income (Loss) Schedule of Prepaid Expenses and Other Current Assets Schedule Of Prepaid Expenses And Other Current Assets [Table Text Block] Schedule Of Prepaid Expenses And Other Current Assets Aggregate Intrinsic Value Aggregate Intrinsic Value [Roll Forward] Aggregate Intrinsic Value Convertible preferred stock, conversion price (in dollars per share) Convertible Preferred Stock, Conversion Price Convertible Preferred Stock, Conversion Price Several Members of the Board of Directors Several Members Of The Board Of Directors [Member] Several Members Of The Board Of Directors Operating lease liability, current portion Operating Lease, Liability, Current Issuance of redeemable convertible preferred stock Temporary Equity, Stock Issued During Period, Value, New Issues Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Vesting of early exercised stock options APIC, Share-based Payment Arrangement, Recognition and Exercise Stock-based compensation Share-based Payment Arrangement, Noncash Expense Variable Rate [Domain] Variable Rate [Domain] Additional Paid-in- Capital Additional Paid-in Capital [Member] Cash and cash equivalents Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Repayments of debt Repayments of Debt Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Non-cancelable purchase commitments Unrecorded Unconditional Purchase Obligation Compensation cost upon forgiveness of promissory notes Share-based Payment Arrangement, Compensation Cost Upon Forgiveness Of Promissory Notes Share-based Payment Arrangement, Compensation Cost Upon Forgiveness Of Promissory Notes Warrants issued, number of preferred stock callable (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Other income (expense), net Other Nonoperating Income (Expense) Certain Executives Management And Employee, Certain Executives [Member] Management And Employee, Certain Executives Prepaid insurance Prepaid Insurance Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Proceeds from issuance of redeemable convertible preferred stock, net off issuance cost Proceeds from Issuance of Redeemable Convertible Preferred Stock Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Redeemable Convertible Preferred Stock Tranche Right Redeemable Convertible Preferred Stock Tranche Right [Member] Redeemable Convertible Preferred Stock Tranche Right Preferred stock, conversion ratio Preferred Stock, Convertible, Conversion Ratio Total liabilities Liabilities Raw materials Inventory, Raw Materials, Net of Reserves Americas, excluding United States Americas, Excluding United States [Member] Americas, Excluding United States Legal Entity [Axis] Legal Entity [Axis] Award Type [Axis] Award Type [Axis] Weighted average exercise price, options granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Net Cash Provided by (Used in) Financing Activities [Abstract] Net Cash Provided by (Used in) Financing Activities [Abstract] Stock options outstanding, aggregate intrinsic value, beginning balance Stock options outstanding, aggregate intrinsic value, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Weighted average exercise price, options exercisable (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Measurement Input Type [Axis] Measurement Input Type [Axis] Total stockholders’ equity / (deficit) Beginning balance Ending balance Stockholders' Equity Attributable to Parent Common stock, shares issued (in shares) Common Stock, Shares, Issued Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Schedule of Reverse Recapitalization [Table] Schedule of Reverse Recapitalization [Table] Schedule of Reverse Recapitalization [Table] Conversion of Canceled CLA Units to Ouster Common Stock Conversion Of Canceled CLA Units To Ouster Common Stock [Member] Conversion Of Canceled CLA Units To Ouster Common Stock Private placement warrants acquired as part of the merger Warrants Acquired In Merger Warrants Acquired In Merger Expected term (years) Measurement Input, Expected Term [Member] Merger Reverse Recapitalization [Policy Text Block] Reverse Recapitalization Share-based Payment Arrangement, Tranche Five Share-based Payment Arrangement, Tranche Five [Member] Share-based Payment Arrangement, Tranche Five Issuance of common stock pursuant to the conversion of convertible notes and accrued interest Debt Conversion, Converted Instrument, Amount Repurchase of common stock Payments for Repurchase of Common Stock Stockholders’ equity / (deficit): Stockholders' Equity Attributable to Parent [Abstract] Private placement warrant liability acquired as part of the Merger Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquired As Part Of The Merger Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquired As Part Of The Merger Concentrations of credit risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Operating lease liability, long-term portion Operating Lease, Liability, Noncurrent Measurement Frequency [Domain] Measurement Frequency [Domain] Sponsor Sponsor [Member] Sponsor Debt instrument, face amount Debt Instrument, Face Amount Interest expense Interest Expense Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Warrant, conversion ratio Class Of Warrant Or Right, Conversion Ratio Class Of Warrant Or Right, Conversion Ratio Schedule of Accrued and Other Current Liabilities Schedule Of Accrued And Other Current Liabilities [Table Text Block] Schedule Of Accrued And Other Current Liabilities City Area Code City Area Code Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Option expiration period (up to) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Conversion of redeemable convertible preferred stock to common stock Conversion of Stock, Amount Converted Statement of Stockholders' Equity [Abstract] Exercise of warrant, threshold trading days Class of Warrant or Right, Exercisable, Threshold Trading Days Class of Warrant or Right, Exercisable, Threshold Trading Days Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Payment Arrangement, Tranche Two Share-based Payment Arrangement, Tranche Two [Member] Supplier A Supplier A [Member] Supplier A Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag Concentration Risk [Table] Concentration Risk [Table] Offering cost Reverse Recapitalization, Offering Cost Reverse Recapitalization, Offering Cost Schedule of Changes in Fair Value of Level 3 Financial Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Conversion of Class A Common Stock to Common Stock Conversion Of Class A Common Stock To Common Stock [Member] Conversion Of Class A Common Stock To Common Stock Unvested Options, exercised in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested, Exercises in Period Extinguishment of derivative liability upon conversion of convertible notes Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Extinguishments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Extinguishment Conversion of redeemable convertible preferred stock to common stock Temporary Equity, Conversion Of Temporary Equity To Common Stock, Value Temporary Equity, Conversion Of Temporary Equity To Common Stock, Value Proceeds from exercise of stock options Proceeds from Stock Options Exercised Options outstanding, weighted average exercise price (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Provision for income tax expense Income Tax Expense (Benefit) Exercise Price at $0.26 Exercise Price Range Three [Member] Exercise Price Range Three Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Asia and Pacific Asia Pacific [Member] Equity Components [Axis] Equity Components [Axis] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total current assets Assets, Current Sales and marketing Selling and Marketing Expense [Member] Schedule of Stock Options Outstanding and Exercisable Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Accounts Receivable Accounts Receivable [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Sale of Stock [Domain] Sale of Stock [Domain] Inventory, net Total inventory Inventory, Net Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Entity File Number Entity File Number Repurchase of common stock Stock Repurchased During Period, Value Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Statement of Financial Position [Abstract] Threshold period past due Threshold Period Past Due for Write-off of Trade Accounts Receivable Payment of offering costs Payment Of Reverse Recapitalization Offering Cost Payment Of Reverse Recapitalization Offering Cost Unamortized stock-based compensation expense of option Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Product and Service [Axis] Product and Service [Axis] Minimum exercise price as percentage of fair value of shares on grant date Share-Based Compensation Arrangement By Share-Based Payment Award, Minimum Exercise Price As Percentage Of Fair Value Of Shares On Grant Date Share-Based Compensation Arrangement By Share-Based Payment Award, Minimum Exercise Price As Percentage Of Fair Value Of Shares On Grant Date Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Schedule of Cash and Cash Equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Entity Small Business Entity Small Business Grantee Status [Axis] Grantee Status [Axis] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Revenue Revenue Benchmark [Member] Options, weighted average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Component [Domain] Equity Component [Domain] Preferred stock warrants Preferred Stock Warrants [Member] Preferred Stock Warrants Exercise price of warrant Measurement Input, Exercise Price [Member] Sales and marketing Selling and Marketing Expense Repurchase of common stock (shares) Stock Repurchased During Period, Shares Entity Ex Transition Period Entity Ex Transition Period Accrued and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Statement [Line Items] Statement [Line Items] Restricted cash, non-current Restricted Cash, Noncurrent Grantee Status [Domain] Grantee Status [Domain] Weighted- Average Exercise Price per Share Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recognition of preferred stock warrant and tranche liability upon issuance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Series B Redeemable Convertible Preferred Stock Series B Preferred Stock [Member] Conversion of Stock, Name [Domain] Conversion of Stock, Name [Domain] Counterparty Name [Domain] Counterparty Name [Domain] Debt Disclosure [Abstract] Entity Address, State or Province Entity Address, State or Province Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Document Information [Table] Document Information [Table] Dividend yield Measurement Input, Expected Dividend Rate [Member] Common stock, voting rights, number of votes per share Common Stock, Voting Rights, Number Of Votes Per Share Common Stock, Voting Rights, Number Of Votes Per Share Warrant, aggregated purchase price Proceeds from Issuance of Warrants Entity [Domain] Entity [Domain] Customer D Customer D [Member] Customer D Customer [Axis] Customer [Axis] Issuance of redeemable convertible preferred stock (in shares) Redeemable convertible preferred stock, shares issued (in shares) Temporary Equity, Stock Issued During Period, Shares, New Issues Temporary Equity, Stock Issued During Period, Shares, New Issues Schedule of Net Loss Per Common Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Options, grants in period (in shares) Number of shares underlying outstanding options, options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Entity Shell Company Entity Shell Company Liabilities Financial Liabilities Fair Value Disclosure [Abstract] Local Phone Number Local Phone Number Schedule of Stock-based Compensation Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Money market funds Money Market Funds, at Carrying Value Vesting [Axis] Vesting [Axis] Exercise Price at $5.80 Exercise Price Range Six [Member] Exercise Price Range Six Total assets Assets Plan Name [Domain] Plan Name [Domain] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Stock options exercisable, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Stock price Measurement Input, Share Price [Member] Repayment of debt Repayments of Secured Debt Repayment of promissory notes to related parties Repayments of Notes Payable Stock Appreciation Rights Stock Appreciation Rights (SARs) [Member] Schedule of Nonvested Restricted Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Research and development Research and Development Expense Product and Service [Domain] Product and Service [Domain] Increase in number of shares authorized, annual increase percentage Share-based Compensation Arrangement by Share-based Payment Award, Increase In Number of Shares Authorized, Annual Increase Percentage Share-based Compensation Arrangement by Share-based Payment Award, Increase In Number of Shares Authorized, Annual Increase Percentage Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Denominator [Abstract] Denominator [Abstract] Denominator Exercise of warrant, threshold trading-day period Class of Warrant or Right, Exercisable, Threshold Trading-day Period Class of Warrant or Right, Exercisable, Threshold Trading-day Period CLA Warrants CLA Warrants [Member] CLA Warrants Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Reclassification of a note receivable from a stockholder Stockholders' Equity, Reclassification Of Notes Receivable From Stockholder Stockholders' Equity, Reclassification Of Notes Receivable From Stockholder Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Conversion of Class B Common Stock to Class A Common Stock Conversion Of Class B Common Stock To Class A Common Stock [Member] Conversion Of Class B Common Stock To Class A Common Stock Measurement Frequency [Axis] Measurement Frequency [Axis] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Share-based Payment Arrangement, Option, Exercise Price Range [Table] Share-based Payment Arrangement, Option, Exercise Price Range [Table] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Redeemable convertible preferred stock Redeemable Convertible Preferred Stock [Member] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Entity Tax Identification Number Entity Tax Identification Number Geographical [Axis] Geographical [Axis] Vested and early exercised options subject to nonrecourse notes Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Early Exercised Options Subject To Nonrecourse Notes [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Early Exercised Options Subject To Nonrecourse Notes Issuance of preferred stock upon exercise of warrants Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Stock Conversion Description [Axis] Stock Conversion Description [Axis] Weighted-average shares used to compute basic net loss per share (in shares) Weighted Average Number of Shares Outstanding, Basic Net loss per common share, diluted (in dollars per share) Earnings Per Share, Diluted Amortization of debt issuance costs and debt discount Amortization of Debt Issuance Costs and Discounts Common stock, deemed value (in dollars per share) Redeemable convertible preferred stock, issue price (in dollars per share) Issue Price per share Sale of Stock, Price Per Share Change in right-of-use asset Operating Lease, Right-of-Use Asset, Amortization Expense Promissory notes, percentage forgiven Note Receivable, Related Parties, Percentage Forgiven Note Receivable, Related Parties, Percentage Forgiven Vesting [Domain] Vesting [Domain] Product Product [Member] Total financial liabilities Financial Liabilities Fair Value Disclosure Unvested early exercised common stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested Early Exercised Common Stock Options [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested Early Exercised Common Stock Options Supplier [Domain] Supplier [Domain] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Redeemable convertible preferred stock, shares authorized (in shares) Shares Authorized (in shares) Temporary Equity, Shares Authorized Cost of product revenue Cost of Revenue Offering costs in connection with the merger Adjustments to Additional Paid in Capital, Recapitalization, Offering Costs Adjustments to Additional Paid in Capital, Recapitalization, Offering Costs Ordinary shares, conversion ratio Recapitalization Transaction, Conversion Ratio Recapitalization Transaction, Conversion Ratio Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Conversion of redeemable convertible preferred stock to common stock (in shares) Stock issued during period, conversion of convertible securities (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Redeemable Convertible Preferred Stock Warrant Liability Redeemable Convertible Preferred Stock, Warrant Liability [Member] Redeemable Convertible Preferred Stock, Warrant Liability Applicable Interest Rate at the Time of Default Applicable Interest Rate At The Time Of Default [Member] Applicable Interest Rate At The Time Of Default Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Accounts payable Accounts Payable, Current Debt instrument, maximum borrowing capacity Debt Instrument, Maximum Borrowing Capacity Debt Instrument, Maximum Borrowing Capacity Concentration Risk Type [Axis] Concentration Risk Type [Axis] Depreciation and amortization Depreciation, Depletion and Amortization Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Customer B Customer B [Member] Customer B Share exchange ratio Recapitalization Exchange Ratio Recapitalization Exchange Ratio CLA Colonnade Acquisition Corp. [Member] Colonnade Acquisition Corp. Conversion of convertible notes to common stock Adjustments To Additional Paid In Capital, Conversion Of Convertible Debt Adjustments To Additional Paid In Capital, Conversion Of Convertible Debt Total Purchase Cost of Goods and Service Benchmark [Member] Inventory Increase (Decrease) in Inventories Common stock, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Supplier Concentration Risk Supplier Concentration Risk [Member] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Redeemable Convertible Preferred and Common Stock Equity and Temporary Equity [Text Block] Equity and Temporary Equity Common Class B Common Class B [Member] Schedule of Reverse Recapitalization [Line Items] Schedule of Reverse Recapitalization [Line Items] Schedule of Reverse Recapitalization [Line Items] Private Placement Warrant Liability Private Placement Warrant Liability [Member] Private Placement Warrant Liability Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Number of Shares Underlying Outstanding Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Management And Employee Management And Employee [Member] Management And Employee Income Statement Location [Domain] Income Statement Location [Domain] Exercise price, upper range limit (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] One Senior Advisor One Senior Advisor [Member] One Senior Advisor Redeemable convertible preferred stock, shares issued (in shares) Shares Issued (in shares) Temporary Equity, Shares Issued Loss Contingencies [Line Items] Loss Contingencies [Line Items] Property and equipment, net Property, Plant and Equipment, Net Total operating expenses Operating Expenses Other non-current liabilities Other Liabilities, Noncurrent Employee Share-based Payment Arrangement, Employee [Member] Redeemable convertible preferred stock, liquidation preference Liquidation Amount Temporary Equity, Liquidation Preference Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Earnings Per Share [Abstract] Accounts Payable Accounts Payable [Member] Stock converted (in shares) Stock Converted, Reversed Recapitalization Stock Converted, Reversed Recapitalization Document Quarterly Report Document Quarterly Report Warrants issued, exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Runway Loan and Security Agreement Runway Loan And Security Agreement [Member] Runway Loan And Security Agreement Vested Options, exercised in period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Exercises in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Exercises in Period Issuance of common stock upon merger and private offering, net of acquired private placement warrants of $19,377 (in shares) Stock Issued During Period, Shares, Reverse Recapitalization Stock Issued During Period, Shares, Reverse Recapitalization Number of shares underlying outstanding options, vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Share-based Payment Arrangement, Tranche Three Share-based Payment Arrangement, Tranche Three [Member] Potential obligations Loss Contingency Accrual Weighted average exercise price, beginning balance (in dollars per share) Weighted average exercise price, ending balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Warrants to purchase common stock Warrant [Member] Warrant, expiration period Warrants and Rights Outstanding, Term Receivable from contract manufacturer Receivable From Contract Manufacturer, Current Receivable From Contract Manufacturer, Current Total stock-based compensation Share-based Payment Arrangement, Expense Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Exercise of warrant, threshold common stock price (in dollars per share) Class Of Warrant Or Right, Exercisable, Threshold Common Stock Price Class Of Warrant Or Right, Exercisable, Threshold Common Stock Price Indemnification Agreement Indemnification Agreement [Member] Warrant liabilities Class Of Warrant Or Right, Fair Value Disclosure Class Of Warrant Or Right, Fair Value Disclosure Restricted cash, current Restricted Cash, Current Canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Canceled in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Canceled in Period Counterparty Name [Axis] Counterparty Name [Axis] Stock options exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Inventory write down Inventory Valuation Reserves Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Common Class A Common Class A [Member] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents United States UNITED STATES Sale of stock, number of shares issued in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Schedules of Concentration of Risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Current assets: Assets, Current [Abstract] Exercise Price at $0.13 Exercise Price Range One [Member] Exercise Price Range One Number of shares reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Entity Central Index Key Entity Central Index Key London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Security Exchange Name Security Exchange Name Money market funds Cash and Cash Equivalents, Fair Value Disclosure Issuance of common stock upon exercise of stock options (in shares) Number of shares underlying outstanding options, options exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Weighted-average shares used to compute diluted net loss per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Warrant liabilities (At June 30, 2021 and December 31, 2020 related party $5,154 and Nil, respectively) Warrant liabilities Warrant, fair value Warrants and Rights Outstanding Exercise Price Range [Domain] Exercise Price Range [Domain] Convertible notes payable Debt Conversion, Original Debt, Amount Sale of warrants, price (in dollars per share) Sale Of Warrant, Price Per Share Sale Of Warrant, Price Per Share Fair Value, Recurring Fair Value, Recurring [Member] Income taxes Income Tax Disclosure [Text Block] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Related Party [Domain] Related Party [Domain] Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Stock Option Activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Recognition of tranche right liability upon issuance Recognition Of Tranche Right Liability During Noncash Transaction Recognition Of Tranche Right Liability During Noncash Transaction Transferred at Point in Time Transferred at Point in Time [Member] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Canceled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Cancellations, Weighted Average Grant Date Fair Value Schedule of Antidilutive Securities Excluded from Computation of Net Loss Per Common Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Accrued and other current liabilities Accrued And Other Liabilities, Current Accrued And Other Liabilities, Current Statement of Cash Flows [Abstract] Other (expense) income: Nonoperating Income (Expense) [Abstract] Exercise Price at $1.00 Exercise Price Range Four [Member] Exercise Price Range Four Exercise Price at $10.26 Exercise Price Range Seven [Member] Exercise Price Range Seven Number of shares underlying outstanding options, exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Class of Stock [Line Items] Class of Stock [Line Items] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES Net Cash Provided by (Used in) Operating Activities [Abstract] Vested (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value General and administrative General and Administrative Expense [Member] Uninvoiced receipts Uninvoiced Receipts, Other Current Liabilities Uninvoiced Receipts, Other Current Liabilities Expected term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Total current liabilities Liabilities, Current Class of Stock [Domain] Class of Stock [Domain] Threshold consecutive trading days Share-based Compensation Arrangement by Share-based Payment Award, Options Exercisable, Threshold Consecutive Trading Days Share-based Compensation Arrangement by Share-based Payment Award, Options Exercisable, Threshold Consecutive Trading Days Money Market Funds Money Market Funds [Member] Loss Contingencies [Table] Loss Contingencies [Table] Series B Redeemable Convertible Preferred Stock Warrants Series B Redeemable Convertible Preferred Stock Warrants [Member] Series B Redeemable Convertible Preferred Stock Warrants Stock options vested and expected to vest, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Entity Address, Postal Zip Code Entity Address, Postal Zip Code Issuance of common stock upon merger and private offering, net of acquired private placement warrants of $19,377 Stock Issued During Period, Value, Reverse Recapitalization Stock Issued During Period, Value, Reverse Recapitalization Stated interest rate Notes Receivable, Related Parties, Stated Interest Rate Notes Receivable, Related Parties, Stated Interest Rate Document Information [Line Items] Document Information [Line Items] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Title of 12(b) Security Title of 12(b) Security Statement [Table] Statement [Table] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Unrecognized stock-based compensation expense Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Security deposit Deposits Assets, Current Proceeds from the merger and private offering Proceeds From Reverse Recapitalization Transaction Proceeds From Reverse Recapitalization Transaction Statistical Measurement [Axis] Statistical Measurement [Axis] Cover [Abstract] A Shareholder With 10% Ownership Share-based Payment Arrangement, 10% Shareholder [Member] Share-based Payment Arrangement, 10% Shareholder Series A Redeemable Convertible Preferred Stock Warrants Series A Redeemable Convertible Preferred Stock Warrants [Member] Series A Redeemable Convertible Preferred Stock Warrants Options outstanding (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Public and private common stock warrants Public And Private Common Stock Warrants [Member] Public And Private Common Stock Warrants Expected volatility Measurement Input, Price Volatility [Member] Schedule of Fair Value Measurement Inputs Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Cost of revenue Cost of Sales [Member] Warrants, fair value measurement inputs Warrants and Rights Outstanding, Measurement Input Number of shares forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Fair value of warrant accounted for as debt discount Debt Instrument, Unamortized Discount Redeemable Convertible Preferred Stock Warrants Redeemable Convertible Preferred Stock Warrants [Member] Redeemable Convertible Preferred Stock Warrants Gross proceeds from merger and private offering Gross Proceeds From Reverse Recapitalization Transaction Gross Proceeds From Reverse Recapitalization Transaction Stock options granted, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Intrinsic Value Debt Long-term Debt [Text Block] Award vesting rights, vested percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Vested Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Vested Award, Percentage Stock options vested and expected to vest, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term