Document And Entity Information
Statistical Measurement [Axis]
Note To Financial Statement Details Textual
us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Dividends Payable, Date Declared
Significant Accounting Policies
us-gaap_IncomeTaxExpenseBenefit
Income Tax Expense (Benefit)
Income tax benefit (provision)
Note 3 - Discontinued Operations
ecd_NonRule10b51ArrTrmntdFlag
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Note 4 - Balance Sheet Components
us-gaap_DividendsPayableAmountPerShare
Dividends Payable, Amount Per Share (in dollars per share)
ecd_NonRule10b51ArrAdoptedFlag
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Note 5 - Long-Term Debt
Trading Arrangements, by Individual [Table]
Note 6 - Stockholders' Equity
Material Terms of Trading Arrangement [Text Block]
Note 8 - Stock-Based Compensation
Note 11 - Leases
Note 12 - Net Loss Per Share
Note 3 - Discontinued Operations - Results of Discontinued Operations (Details)
Note 4 - Balance Sheet Components - Property and Equipment - Net (Details)
Minimum [Member]
Note 4 - Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details)
Note 4 - Balance Sheet Components - Other Assets (Details)
Statistical Measurement [Domain]
Note 4 - Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Details)
Maximum [Member]
Note 5 - Long-Term Debt - Schedule of Fair Value Measurements (Details)
bird_BeneficialOwnershipPriorWrittenNoticePeriodForIncreaseInPercentage
Beneficial Ownership, Prior Written Notice Period for Increase in Percentage (Year)
The period of prior written notice for increase in percentage.
Note 6 - Stockholders' Equity - Common Stock Reserved for Future Issuance (Details)
Note 8 - Stock-Based Compensation - Stock Options Plan (Details)
bird_BeneficialOwnershipMaximumOwnershipThresholdPercentagePostConversionIncreasedMaximum
Beneficial Ownership, Maximum Ownership Threshold Percentage Post Conversion, Increased Maximum
The maximum rate increase in beneficial ownership threshold.
Litigation Case [Domain]
Note 8 - Stock-Based Compensation - Valuation Assumptions (Details)
Note 8 - Stock-Based Compensation - Restricted Stock Unit (Details)
bird_DebtInstrumentCovenantLatePaymentRate
Debt Instrument, Covenant, Late Payment Rate
The late payment rate of the covenant.
Defined Contribution Plan [Text Block]
Note 8 - Stock-Based Compensation - Performance Shares (Details)
bird_BeneficialOwnershipMaximumOwnershipThresholdPercentagePostConversion
Beneficial Ownership, Maximum Ownership Threshold Percentage Post Conversion
The maximum ownership threshold percentage.
Note 11 - Leases - Future Minimum Lease Payments (Details)
Note 12 - Net Loss Per Share - Basic and Diluted (Details)
bird_DebtInstrumentOriginalIssueDiscountRate
Debt Instrument, Original Issue Discount, Rate
The rate of the original issue discount.
Note 12 - Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Business Description and Basis of Presentation [Text Block]
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective Income Tax Rate Reconciliation, Percent
Forfeited (in dollars per share)
Granted (in dollars per share)
Exercised (in dollars per share)
Performance Shares [Member]
Common Stock Outstanding [Member]
Represents Common Stock Outstanding.
Litigation Case [Axis]
Leasehold Improvements [Member]
us-gaap_SharesOutstanding
BALANCE (in shares)
BALANCE (in shares)
Dividends [Axis]
Segment Reporting [Text Block]
Dividends [Domain]
Award Type [Axis]
Current liabilities, discontinued operations (note 3)
Total current liabilities
Adjustments to reconcile net loss to net cash used in operating activities:
Non-current liabilities, discontinued operations (note 3)
Plan Name [Axis]
us-gaap_Liabilities
Total liabilities
Plan Name [Domain]
us-gaap_AllocatedShareBasedCompensationExpense
Share-Based Payment Arrangement, Expense
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
Title and Position [Axis]
Segment Reporting [Table]
us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation
Total liabilities
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other current assets
Stock-based compensation
us-gaap_ShareBasedCompensation
Selling, general and administrative expenses
Subsequent Event [Member]
Lessee, Lease, Description [Table]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMaximum
Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum
Share-Based Payment Arrangement [Text Block]
Lease Contractual Term [Axis]
Lease Contractual Term [Domain]
Changes in assets and liabilities:
us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Authorized (in shares)
us-gaap_PreferredStockParOrStatedValuePerShare
Preferred Stock, Par or Stated Value Per Share (in dollars per share)
Restricted cash included in prepaid expenses and other current assets
Restricted cash
S 2026 Q3 Dividends [Member]
Relating to the special dividends for Q3 of 2026.
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase (decrease) in cash, cash equivalents, and restricted cash
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash
Loss of control
Amount of equity impact due to loss of control.
bird_DiscontinuedOperationLossGainFromDebtExtinguishmentNetOfTax
Discontinued Operation, Loss (Gain) From Debt Extinguishment, Net of Tax
Loss from debt extinguishment, discontinued operations
Amount after tax of (gain) loss recognized for debt extinguishment, of a discontinued operation.
New Accounting Pronouncements, Policy [Policy Text Block]
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Total cash, cash equivalents, and restricted cash
Cash, cash equivalents, and restricted cash—beginning of period
Cash, cash equivalents, and restricted cash—end of period
Reconciliation of cash, cash equivalents, and restricted cash:
Antidilutive Securities, Name [Domain]
Statement [Table]
Credit Facility [Axis]
Credit Facility [Domain]
Revolving Credit Facility [Member]
Prepaid expenses
bird_DisposalGroupIncludingDiscontinuedOperationCashReleased
Disposal Group, Including Discontinued Operation, Cash Released
The amount of cash released from the deposit amount in the disposal of assets and liabilities, including discontinued operation.
bird_DisposalGroupIncludingDiscontinuedOperationConsiderationDepositedIntoEscrow
Disposal Group, Including Discontinued Operation, Consideration, Deposited into Escrow
The amount of the consideration received in the disposal of assets and liabilities, including discontinued operation that was deposited into escrow.
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
bird_DebtInstrumentIncreaseInSellableAmount
Debt Instrument, Increase in Sellable Amount
The increase in the sellable amount of debt.
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Remainder of 2026
bird_DisposalGroupIncludingDiscontinuedOperationMarketingExpense
Marketing expense
Amount of marketing expense attributable to disposal group, including, but not limited to, discontinued operation.
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived
Total undiscounted finance lease payments
bird_DisposalGroupIncludingDiscontinuedOperationInterestExpenseIncome
Interest expense (income)
Amount of interest expense (income) attributable to disposal group, including, but not limited to, discontinued operation.
Long-term debt
bird_DisposalGroupIncludingDiscontinuedOperationDebtNoncurrent
Amount classified as debt liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.
Footwear Business [Member]
Footwear Business
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount
Less: unearned interest income
bird_SaleOfStockMaximumAmountSellable
Sale of Stock, Maximum Amount Sellable
The maximum amount of stock sellable.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Unvested, number of shares (in shares)
Unvested, number of shares (in shares)
bird_SaleOfStockMaximumAmountSellableIncrease
Sale of Stock, Maximum Amount Sellable, Increase
The increase in the maximum amount of stock sellable.
us-gaap_SalesTypeLeaseInterestIncome
Sales-type Lease, Interest Income
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Unvested, Weighted-Average Grant Date Fair Value per Share (in dollars per share)
Unvested, Weighted-Average Grant Date Fair Value per Share (in dollars per share)
Granted, number of share (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)
Net investment in sales-type lease
Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss
Granted, Weighted-Average Grant Date Fair Value per Share (in dollars per share)
April Convertible Note [Member]
April Convertible Note
us-gaap_LossContingencyNumberOfPlaintiffs
Loss Contingency, Number of Plaintiffs
June Convertible Note [Member]
June Convertible Note
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited, number of share (in shares)
bird_DebtInstrumentOriginalIssueDiscount
Debt Instrument, Original Issue Discount
The amount of original issue discount on the debt instrument.
2029
Convertible Notes [Member]
Convertible Notes
2028
Dr Carlsten [Member]
Dr Carlsten
us-gaap_LineOfCredit
Long-Term Line of Credit
bird_NumberOfCustomers
Number of Customers
The number of customers.
One Customer [Member]
One Customer
Vested, Weighted-Average Grant Date Fair Value per Share (in dollars per share)
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Vested, target number of shares (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)
Vested, number of share (in shares)
bird_SalestypeLeaseEndoftermPurchaseOption
Sales-type Lease, End-of-term Purchase Option
The end-of-term purchase option on the sales-type lease.
bird_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFirstThirtyMonths
Sales-Type and Direct Financing Leases, Payment to be Received, First Thirty Months
Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in the first 30 months. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
bird_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFinalSixMonths
Sales-Type and Direct Financing Leases, Payment to be Received, Final Six Months
Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases in final six months. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
bird_PaymentsToAcquireGPUAssets
Payments to Acquire GPU Assets
The amount paid to acquire GPU assets.
May 3, 2026 to November 2, 2026 [Member]
May 3, 2026 to November 2, 2026
Forfeited, options (in shares)
bird_SalestypeAndDirectFinancingLeasesAggregateContractualPayments
Sales-type and Direct Financing Leases, Aggregate Contractual Payments
Amount of lessee's undiscounted obligation for lease payments for finance lease.
Exercised
Shares available for future grants (in shares)
Vested and exercisable, options (in shares)
Vested and exercisable, weighted average exercise price (in dollars per share)
bird_ProceedsFromIssuanceOfLongtermDebtNet
Proceeds from Issuance of Long-Term Debt, Net
Amount of current and deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current and deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction.
Options issued and outstanding (in shares)
Outstanding, options (in shares)
Outstanding, options (in shares)
Commitments and Contingencies Disclosure [Text Block]
Sales-type Lease, GPU Assets [Member]
Sales-type Lease, GPU Assets
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Statement [Line Items]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Outstanding, intrinsic value
Outstanding, intrinsic value
Common stock, issued (in shares)
Grantee Status [Domain]
Common stock, outstanding (in shares)
Award Type [Domain]
Risk-free interest rate
Common stock, authorized (in shares)
Common Stock, Shares Authorized (in shares)
Grantee Status [Axis]
Volatility
Common Class B [Member]
Schedule of Accrued Liabilities [Table Text Block]
Non-current assets, discontinued operations (note 3)
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Defined Contribution Plan [Table]
us-gaap_ExtinguishmentOfDebtAmount
Extinguishment of Debt, Amount
Common Stock
Other assets
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets
Proceeds from issuance of shares under public offering, net
Proceeds from Issuance of Common Stock
us-gaap_InterestPayableCurrentAndNoncurrent
Interest Payable
Accounts payable
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_TableTextBlock
Notes Tables
us-gaap_ProceedsFromLinesOfCredit
Proceeds from Lines of Credit
Computer Equipment [Member]
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive loss
Disposal Group Classification [Axis]
Disposal Group Classification [Domain]
Loss on fair market value of convertible debt
Gain (Loss) on Fair Value of Debt
Loss on fair-value adjustment of Convertible Notes
Represents the amount of gain (loss) on fair value of debt.
Subsequent Events [Text Block]
Concentration Risk Type [Axis]
Proceeds from long-term debt
Proceeds from Issuance of Long-Term Debt
bird_DebtInstrumentRedemptionPriceEventOfDefaultPercentage
Debt Instrument, Redemption Price, Event of Default, Percentage
Percentage price of original principal amount of debt at which debt can be redeemed by the issuer in the event of a default.
Employee-related liabilities
Significant Accounting Policies [Text Block]
Finance Lease, Liability, to be Paid, Maturity [Table Text Block]
Non-current lease liabilities
Outstanding, remaining contractual term (Year)
us-gaap_ProceedsFromCollectionOfNotesReceivable
Proceeds from Collection of Notes Receivable
Other accrued expenses
Current lease liabilities
Net investment in lease, current
Net investment in lease, non-current
Inventory
us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent
Expected lives (years) (Year)
Taxes payable
Vested and exercisable, remaining contractual term (Year)
Concentration Risk Type [Domain]
us-gaap_PaymentsOfFinancingCosts
Payment of deferred financing costs
Offsetting Assets [Table]
Other comprehensive income (loss):
Loss Contingencies [Table]
Statement of Stockholders' Equity [Abstract]
Statement of Cash Flows [Abstract]
Foreign currency translation gain (loss)
Comprehensive income
Stockholders’ equity:
Equity Components [Axis]
Proceeds from the exercise of stock options
Equity Component [Domain]
Offsetting Liabilities [Table]
Equity [Text Block]
AOCI Attributable to Parent [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Property and equipment—net
Total property and equipment - net
Property, Plant, and Equipment
Purchase of property and equipment included in accounts payable
Subsequent Event Type [Domain]
Subsequent Event [Table]
Subsequent Event Type [Axis]
Deferred tax assets
Net investment in lease
The amount of increase (decrease) in the net investment in leases.
Sale of Stock [Axis]
Machinery and Equipment [Member]
Costs of net revenue
Furniture and Fixtures [Member]
Stock-based compensation
Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
Share-Based Payment Arrangement, Option [Member]
bird_PolicyTable
Supplemental disclosures of cash flow information:
Deferred offering costs
Current liabilities:
us-gaap_LiabilitiesCurrent
Total current liabilities
us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Loss from discontinued operations, net of tax
Secured Overnight Financing Rate (SOFR) [Member]
us-gaap_SalesTypeLeaseNetInvestmentInLeaseBeforeAllowanceForCreditLossCurrent
Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss, Current
us-gaap_SalesTypeLeaseNetInvestmentInLeaseBeforeAllowanceForCreditLossNoncurrent
Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss, Noncurrent
Customer Concentration Risk [Member]
us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net cash provided by financing activities, continuing operations
us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net cash used in investing activities, continuing operations
Revenue Benchmark [Member]
Net cash (used in) provided by financing activities, discontinued operations
Net cash used in operating activities, discontinued operations
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less: accumulated depreciation and amortization
Net cash provided by investing activities, discontinued operations
Accumulated other comprehensive loss
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Loss before income tax benefit (provision)
Additional paid-in capital
Debt Disclosure [Text Block]
Discontinued Operations, Disposed of by Sale [Member]
Use of Estimates, Policy [Policy Text Block]
Prepaid expenses and other current assets
Total prepaid expenses and other current assets
2027
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)
Issuance of common stock under employee stock purchase plan
us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Purchase of property and equipment
Issuance of common stock under public offerings, net of issuance costs
us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Line of Credit Facility, Commitment Fee Percentage
us-gaap_DebtInstrumentFairValue
Debt Instrument, Fair Value Disclosure
Acquisition of treasury stock
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
Schedule of Other Assets [Table Text Block]
Current assets:
Exercise of stock options
us-gaap_AssetsCurrent
Total current assets
Vesting of restricted stock units
Issuance of common stock under public offerings, net of issuance costs (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Lessor, Sales-type Leases [Text Block]
Restricted Stock Units (RSUs) [Member]
Debt Instrument, Name [Domain]
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Exercise of stock options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares)
Exercised, options (in shares)
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
Fair Value Measurement Inputs and Valuation Techniques [Table]
Vesting of restricted stock units (in shares)
Class of Stock [Domain]
us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Acquisition of treasury stock (in shares)
us-gaap_TreasuryStockSharesAcquired
Treasury Stock, Shares, Acquired (in shares)
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Axis]
us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net cash used in operating activities, continuing operations
Cash flows from operating activities:
Cash flows from investing activities:
Cash flows from financing activities:
us-gaap_PaymentsOfDebtIssuanceCosts
Payments of Debt Issuance Costs
us-gaap_DebtInstrumentRedemptionPricePercentage
Debt Instrument, Redemption Price, Percentage
Name of Receivable with Imputed Interest [Domain]
Accounting Policies [Abstract]
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]
Schedule of Receivables with Imputed Interest, Name of Receivable with Imputed Interest [Axis]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent
Net loss per share attributable to common stockholders, basic and diluted, continuing operations (in dollars per share)
Net loss per share attributable to common stockholders from continuing operations, basic and diluted (in dollars per share)
Net loss from continuing operations
Net loss from continuing operations
Net loss attributable to common stockholders, continuing operations
Measurement Input Type [Axis]
Income Statement [Abstract]
us-gaap_ReceivableWithImputedInterestEffectiveYieldInterestRate
Receivable with Imputed Interest, Effective Yield (Interest Rate)
Measurement Input, Credit Spread [Member]
us-gaap_NumberOfOperatingSegments
Number of Operating Segments
Net loss per share attributable to common stockholders, basic and diluted, discontinued operations (in dollars per share)
Net loss per share attributable to common stockholders from discontinued operations, basic and diluted (in dollars per share)
us-gaap_OtherAssetsMiscellaneousNoncurrent
Other assets
Discontinued operations (note 3)
Measurement Input, Expected Term [Member]
us-gaap_TreasuryStockCommonValue
Treasury stock (10,999 shares as of June 30, 2026 and no shares as of December 31, 2025)
Treasury stock, common shares (in shares)
Accrued expenses and other current liabilities
Amount of accrued expenses and other current liabilities.
Net loss
Net loss
bird_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodGrantDateFairValue
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Grants in Period, Grant Date Fair Value
The equity instruments other than options, grants in period, grant date fair value.
Measurement Input, Price Volatility [Member]
us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Dividends Payable, Date of Record
Promissory Note [Member]
Represents promissory note.
Inventory returns receivable
The amount of current inventory returns receivable.
bird_AccruedLiabilitiesAndOtherLiabilitiesCurrent
Total accrued expenses and other current liabilities
The amount of current accrued liabilities and other liabilities.
Emerging Growth Company [Policy Text Block]
The policy disclosure for Emerging Growth Company.
Smaller Reporting Company [Policy Text Block]
The policy disclosure for Smaller Reporting Company.
us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
Amortization of issuance costs under public offerings
Costs and expenses:
bird_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCancelledInPeriod
Cancelled (in shares)
Share Based Compensation Arrangement by Share Based Payment Award, Options, Cancelled in Period.
Common Class A [Member]
Measurement Input Type [Domain]
Deferred Revenue Arrangement, by Type [Table]
Measurement Input, Risk Free Interest Rate [Member]
Convertible Debt Securities [Member]
us-gaap_DebtInstrumentMeasurementInput
Debt Instrument, Measurement Input
ATM [Member]
Represents ATM.
us-gaap_ConversionOfStockSharesConverted1
Conversion of Class B shares into Class A common stock (in shares)
Conversion of Class B shares into Class A common stock (in shares)
us-gaap_CostsAndExpenses
Total operating expense
us-gaap_ConversionOfStockAmountConverted1
Conversion of Class B shares into Class A common stock
Conversion of Class B shares into Class A common stock
Cancelled (in dollars per share)
The options cancelled in period weighted average exercise price.
Income Tax Disclosure [Text Block]
Proceeds from issuance of common stock under employee stock purchase plan
Accounting Standards Update and Change in Accounting Principle [Table]
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense
Other expense
Noncash investing and financing activities:
us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
Selling, general and administrative expenses
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome
Other income
us-gaap_DeferredFinanceCostsNet
Debt Issuance Costs, Net
Supplemental Balance Sheet Disclosures [Text Block]
Transfer of property and equipment to net investment in lease
Accrued expenses and other current liabilities
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent
Accounts payable
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent
us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation
Total assets
us-gaap_OpenTaxYear
Open Tax Year
Statement of Financial Position [Abstract]
us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Dividends Payable, Date to be Paid
Deferred revenue
us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent
Current assets, discontinued operations (note 3)
Total current assets
us-gaap_LiabilitiesNoncurrent
Total non-current liabilities
us-gaap_AssetsNoncurrent
Total non-current assets
Non-current assets:
Cash paid for taxes
Taxes receivable
Non-current liabilities:
Convertible Notes
us-gaap_ProfessionalFees
Professional Fees
Other assets
Total other assets
Document Type
Document Information [Line Items]
Document Quarterly Report
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
us-gaap_DefinedContributionPlanCostRecognized
Defined Contribution Plan, Cost
Document Information [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares)
Antidilutive Securities [Axis]
Entity Interactive Data Current
us-gaap_LessorSalesTypeLeaseTermOfContract1
Lessor, Sales-type Lease, Term of Contract (Month)
Document Transition Report
Net loss per share data:
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
Net loss per share attributable to common stockholders, basic and diluted (in dollars per share)
us-gaap_EarningsPerShareBasic
Net loss per share attributable to common stockholders, basic and diluted (in dollars per share)
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Effective Income Tax Rate Reconciliation [Table]
Title and Position [Domain]
Security deposits
us-gaap_DepositsAssetsNoncurrent
Discount on issuance of Convertible Notes
Document Fiscal Period Focus
Customer [Domain]
Document Fiscal Year Focus
Amendment Flag
Document Period End Date
Long-Lived Asset, Class [Domain]
Granted, options (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)
Legal Entity [Axis]
Award Date [Axis]
Entity File Number
Entity Tax Identification Number
Entity [Domain]
Entity Central Index Key
Entity Registrant Name
Entity Current Reporting Status
Entity Incorporation, State or Country Code
Current Fiscal Year End Date
Entity Ex Transition Period
Fair Value Measurement, Policy [Policy Text Block]
Entity Filer Category
Entity Shell Company
Entity Emerging Growth Company
Award Date [Domain]
Entity Small Business
us-gaap_OperatingIncomeLoss
Loss from operations
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Accounts receivable
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
us-gaap_InterestExpenseDebt
Interest Expense, Debt
Entity Address, State or Province
Entity Address, City or Town
us-gaap_InterestExpenseNonoperating
Interest expense
Accumulated deficit
Entity Address, Address Line One
City Area Code
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Taxes withheld and paid on employee stock awards
Local Phone Number
Entity Address, Postal Zip Code
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Table]
Title of 12(b) Security
Security Exchange Name
Trading Symbol
Class of Stock [Axis]
Base Rate [Member]
Accounts payable, accrued expenses and other current liabilities
Amount of accounts payable, accrued expenses and other current liabilities.
Changes in security deposits
The amount of proceeds from security deposits.
Variable Rate [Axis]
Variable Rate [Domain]
Operating lease right-of-use assets and current and noncurrent lease liabilities
Amount of increase (decrease) in operating lease right-of-use assets and current and noncurrent lease liabilities.
Revenue [Policy Text Block]
Entity Common Stock, Shares Outstanding
Earnings Per Share [Text Block]
Security deposits
Stock-based compensation included in capitalized internal-use software
Noncash outflow of stock-based compensation included in capitalized internal-use software.
Vested and exercisable, intrinsic value
Property, Plant, and Equipment [Table]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share (in dollars per share)
us-gaap_GainLossOnTerminationOfLease
Gain on lease terminations
Basis of Accounting, Policy [Policy Text Block]
Other expense, net
Long-Lived Asset, Class [Axis]
Sale of Stock [Domain]
Internal-use Software [Member]
Represents internal-use software.
us-gaap_Assets
Total assets
Cash and Cash Equivalents, Policy [Policy Text Block]
Liquidity and Going Concern Policy [Policy Text Block]
Policy disclosure for liquidity and going concern.
Cash and cash equivalents
Cash and cash equivalents
Second Avenue Capital Partners LLC [Member]
Represents Second Avenue Capital Partners LLC.
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]
bird_DebtInstrumentCovenantBasketForIndebtednessRestriction
Debt Instrument, Covenant, Basket for Indebtedness Restriction
Basket for indebtedness restriction under the debt agreement.
us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent
Loss from discontinued operations, net of tax
us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Defined Contribution Plan, Employer Discretionary Contribution Amount
bird_DebtInstrumentCovenantUnrestrictedCashRequired
Debt Instrument, Covenant, Unrestricted Cash Required
Requirement for unrestricted cash under the debt agreement.
Total shares of common stock reserved for future issuance (in shares)
bird_LineOfCreditFacilityMaximumBorrowingCapacityAdditional
Line of Credit Facility, Maximum Borrowing Capacity, Additional
Amount of additional line of credit facility in maximum borrowing capacity.
Customer [Axis]
bird_DebtInstrumentCovenantUnsecuredIndebtednessBasketRestriction
Debt Instrument, Covenant, Unsecured Indebtedness Basket Restriction
Unsecured indebtedness basket restriction under the debt agreement.
bird_CapitalStockAuthorized
Capital Stock, Authorized
Number of authorized capital stock.
Debt, Policy [Policy Text Block]
bird_CommonStockNumberOfVotingRights
Common Stock, Number Of Voting Rights
Number of voting rights per common stock.
bird_CommonStockConvertionRatio
Common Stock, Convertion, Ratio
Convertion ratio of common stock.
Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block]
The 2015 Equity Incentive Plan [Member]
Represents the 2015 Equity Incentive Plan.
us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold
Costs of net revenue
May 3, 2025 to November 2, 2025 [Member]
Represents offering period - May 3, 2025 to November 2, 2025.
November 3, 2024 to May 2, 2025 [Member]
Represents offering period - November 3, 2024 to May 2, 2025.
Consolidation, Policy [Policy Text Block]
bird_ConversionOfCommonStockNumberOfDaysFixedByTheBoardOfDirectors
Conversion of Common Stock, Number of Days Fixed by the Board of Directors
Number of days fixed by the Board of Directors in conversion of common stock.
bird_CommonStockClassBOutstandingPercentage
Common Stock, Class B Outstanding, Percentage
The percentage of Common Stock Class B outstanding.
November 3, 2025 to May 2, 2026 [Member]
Represents offering period - November 3, 2025 to May 2, 2026.
bird_LossContingencyNumberOfPlaintiffsConsolidated
Loss Contingency, Number of Plaintiffs, Consolidated
Consolidated number of plaintiffs.
Disposal Group Name [Domain]
bird_SharebasedCompensationArrangementBySharebasedPaymentAwardPeriodForAutomaticIncreaseOfShares
Share-Based Compensation Arrangement By Share-based Payment Award, Period for Automatic Increase of Shares (Year)
The number of period for automatic increase of shares in share-based compensation arrangement.
us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss
Gross profit
Class Action Lawsuits [Member]
Represents class action lawsuits.
Interest income
Cash paid for interest
The 2021 Equity Incentive Plan [Member]
Represents the 2021 Equity Incentive Plan.
The 2021 Employee Stock Purchase Plan [Member]
Represents the 2021 Employee Stock Purchase Plan.
Share-Based Payment Arrangement, Existing Employees [Member]
Represents existing employees.
PSUs with Performance Conditions [Member]
Represents PSUs with performance conditions.
bird_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardCliffVestingPeriod
Share-Based Compensation Arrangement By Share-Based Payment Award, Award Cliff Vesting Period (Year)
Award cliff vesting period.
us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Net revenue
Share-Based Payment Arrangement, New Employees [Member]
Represents new employees.
bird_SharebasedCompensationArrangementBySharebasedPaymentAwardMaximumNumberOfSharesAvailableForIssueOnTheExerciseOfIncentiveStockOptions
Share-Based Compensation Arrangement By Share-based Payment Award, Maximum Number of Shares Available for Issue on the Exercise of Incentive Stock Options (in shares)
Maximum number of shares that may be issued on the exercise of incentive stock options.
bird_SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfAdditionalSharesAllowableUnderThePlan
Share-Based Compensation Arrangement By Share-Based Payment Award, Number of Additional Shares Allowable Under the Plan (in shares)
Number of additional shares allowable under the plan.
us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Total operating expense
Disposal Groups, Including Discontinued Operations [Table]
Disposal Groups, Including Discontinued Operations [Table Text Block]
Restricted stock units outstanding (in shares)
Gain from disposal of discontinued operations
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax
Loss from discontinued operations before gain from disposal, net of tax
Disposal Group Name [Axis]
us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Disposal Group, Including Discontinued Operation, Consideration
Discontinued Operations, Policy [Policy Text Block]
us-gaap_StockholdersEquity
Total stockholders’ equity
BALANCE
BALANCE
Forfeited, Weighted-Average Grant Date Fair Value per Share (in dollars per share)
Stock, Class of Stock [Table]
Concentration Risk Benchmark [Axis]
Nature of Operation, Product Information, Concentration of Risk [Table]
Concentration Risk Benchmark [Domain]
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
Operating lease right-of-use assets
ecd_Rule10b51ArrTrmntdFlag
Rule 10b5-1 Arrangement Terminated [Flag]
Property, Plant, and Equipment [Table Text Block]
ecd_Rule10b51ArrAdoptedFlag
Rule 10b5-1 Arrangement Adopted [Flag]
Net revenue
Commitments and contingencies (Note 10)