Document And Entity Information Statistical Measurement [Axis] Note To Financial Statement Details Textual Note 2 - Revenues Provision for income taxes Income Tax Expense (Benefit) Note 3 - Net Income Per Share ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 5 - Inventories ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 7 - Intangible Assets Trading Arrangements, by Individual [Table] Note 8 - Accrued Liabilities Material Terms of Trading Arrangement [Text Block] Note 9 - Debt and Credit Agreements Note 10 - Leases Note 13 - Share-based Compensation us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) Shares withheld for taxes in connection with issuance of restricted stock (in shares) Note 16 - Segment Reporting Note 18 - Commitments and Contingencies Minimum [Member] Note 2 - Revenues - Disaggregation of Revenue (Details) Note 3 - Net Income Per Share - Earnings Per Share (Details) Statistical Measurement [Domain] Note 5 - Inventories - Schedule of Inventories (Details) Maximum [Member] Note 7 - Intangible Assets - Intangible Assets (Details) Note 7 - Intangible Assets - Estimated Future Amortization Expense (Details) Note 8 - Accrued Liabilities - Accrued Liabilities (Details) Note 9 - Debt and Credit Agreements - Outstanding Debt Balances (Details) us-gaap_IncreaseDecreaseInAccountsReceivable Accounts receivable Note 10 - Leases - Leases Information (Details) Note 10 - Leases - Future Minimum Lease Payments (Details) Note 13 - Share-based Compensation - Share-based Compensation Expense (Details) Note 13 - Share-based Compensation - Share-based Compensation Expense 2 (Details) Note 16 - Segment Reporting - Segment Reporting (Details) Note 18 - Commitments and Contingencies - Allowance of Doubtful Accounts (Details) bwen_DebtInstrumentMinimumExcessAvailabilityPercent Debt Instrument, Minimum Excess Availability, Percent Represents the percent of the minimum excess availability for the credit agreement. Notes To Financial Statements us-gaap_CostDirectLabor Direct labor Notes To Financial Statements [Abstract] us-gaap_CostDirectMaterial Direct materials bwen_AssetAcquisitionEscrowPayment Asset Acquisition, Escrow Payment Amount of the assets acquisiotn price that will go into an escrow account. Freeman Enclosure Systems, LLC Purchase Agreement with Broadwind Heavy Fabrications Inc. [Member] Represents the Freeman Enclosure Systems, LLC Purchase Agreement with Broadwind Heavy Fabrications Inc. Counterparty Name [Axis] us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold Salaries and benefits Interest expense, net Counterparty Name [Domain] us-gaap_IncreaseDecreaseInInventories Inventories us-gaap_SharesOutstanding BALANCE (in shares) BALANCE (in shares) AMP credit receivable Carrying value as of the balance sheet date of AMP credit receivable, classified as current. Stock issued under defined contribution 401(k) retirement savings plan (in shares) Stock issued under defined contribution 401(k) retirement savings plan Segment Reporting [Text Block] Segment Reporting [Table Text Block] Adjustments to reconcile net cash provided by (used in) operating activities: Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued or outstanding Consolidation Items [Axis] Share-based compensation expense us-gaap_LiabilitiesAndStockholdersEquity TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Segment Reporting [Table] us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets Prepaid expenses and other current assets Stock-based compensation Selling, general and administrative Subsequent Event [Member] Self-insured workers compensation reserve Consolidation Items [Domain] Lessee, Lease, Description [Table] Share-Based Payment Arrangement [Text Block] Location, Statement of Income, Balance [Axis] Changes in operating assets and liabilities: us-gaap_IncreaseDecreaseInAccountsPayable Accounts payable Preferred stock, shares issued (in shares) Preferred stock, shares outstanding (in shares) Preferred stock, shares authorized (in shares) Preferred stock, par value (in dollars per share) us-gaap_IncreaseDecreaseInAccruedLiabilities Accrued liabilities us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect NET INCREASE (DECREASE) IN CASH us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations CASH beginning of the period CASH end of the period Antidilutive Securities, Name [Domain] Statement [Table] us-gaap_LinesOfCreditCurrent Line of Credit, Current Credit Facility [Axis] Operating cash outflow from operating leases Credit Facility [Domain] Revolving Credit Facility [Member] us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability Right-of-Use Asset Obtained in Exchange for Operating Lease Liability us-gaap_GainLossOnSaleOfBusiness Gain (Loss) on Disposition of Business us-gaap_FinanceLeasePrincipalPayments Payments on finance leases us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Long-Term Debt, Type [Axis] Allowance for credit losses Represents allowance for doubtful accounts. Line of Credit [Member] us-gaap_RepaymentsOfDebt Repayments of Debt us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue Total lease payments, operating leases Weighted-average discount rate-finance leases at end of period Weighted-average discount rate-operating leases at end of period 2027, operating leases 2026, operating leases us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) 2029, operating leases Commitments and Contingencies Disclosure [Text Block] 2028, operating leases Statement [Line Items] 2030, operating leases Common stock, shares issued (in shares) Common stock, shares authorized (in shares) bwen_AmpCreditMiscellaneousAdministrativeCostIncurred AMP Credit, Miscellaneous Administrative Cost Incurred The miscellaneous administrative cost incurred in the sale of AMP credits to a third party. Schedule of Accrued Liabilities [Table Text Block] bwen_AmpCreditDiscountOnTheSaleOfAmpCreditsAmount AMP Credit, Discount on the Sale of AMP Credits, Amount The monetary discount on the sale of AMP credits to a third party. Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] bwen_AmpCreditDiscountOnTheSaleOfAmpCreditsPercentage AMP Credit, Discount on the Sale Of AMP Credits, Percentage The discount rate on the sale of AMP credits to a third party. Common stock, $0.001 par value; 45,000,000 shares authorized; 23,678,053 and 23,584,677 shares issued as of March 31, 2026, and December 31, 2025, respectively Amortization of finance lease assets bwen_AmpCreditMiscellaneousCostsIncurredUncapitalized AMP Credit, Miscellaneous Costs Incurred, Uncapitalized The Miscellaneous costs incurred and uncapitalized to be recorded in cost of sales relating to AMP credits. Schedule of Inventory, Current [Table Text Block] 2027 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) Accounts payable Present value of lease obligations, finance leases us-gaap_PolicyTextBlockAbstract Accounting Policies 2026 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Accrued payroll and benefits Accrued property taxes Legal Matters and Contingencies [Text Block] Long-term finance lease obligations, net of current portion Long-term portion of lease obligations, finance leases us-gaap_FinanceLeaseLiabilityPaymentsDue Total lease payments, finance leases Disposal Group Classification [Axis] Current portion of finance lease obligations Less—current portion of lease obligations, finance leases Disposal Group Classification [Domain] us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount Less—portion representing interest, finance leases 2029, finance leases 2028, finance leases Accrued professional fees Subsequent Events [Text Block] 2030, finance leases us-gaap_SegmentExpenditureAdditionToLongLivedAssets Capital expenditures Accrued liabilities Total accrued liabilities 2027, finance leases Proceeds from line of credit, net Interest on finance lease liabilities 2026, finance leases Accrued warranty liability us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount Less—portion representing interest, operating leases Accrued sales tax Long-term operating lease obligations, net of current portion Long-term portion of lease obligations, operating leases Accrued other Present value of lease obligations, operating leases Current portion of operating lease obligations Less—current portion of lease obligations, operating leases Line of credit and current maturities of long-term debt Long-Term Debt, Current Maturities Less: current maturities Long-term debt, net of current maturities Long-term debt, net of current maturities Net proceeds from disposals of property and equipment us-gaap_PaymentsOfFinancingCosts Payments for deferred financing costs us-gaap_LongTermDebt Long-Term Debt Offsetting Assets [Table] Loss Contingencies [Table] Statement of Stockholders' Equity [Abstract] Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Domain] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Statement of Cash Flows [Abstract] Long-Term Debt, Type [Domain] STOCKHOLDERS’ EQUITY: Equity Components [Axis] Equity Component [Domain] Offsetting Liabilities [Table] Additional Paid-in Capital [Member] Retained Earnings [Member] Asset Acquisition [Domain] Asset Acquisition [Axis] Property and equipment, net us-gaap_CostOfGoodsAndServicesSoldOverhead Variable overhead Subsequent Event Type [Domain] us-gaap_ProvisionForDoubtfulAccounts Credit loss expense Subsequent Event [Table] us-gaap_AssetAcquisitionPriceOfAcquisitionExpected Asset Acquisition, Price of Acquisition, Expected Subsequent Event Type [Axis] Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] bwen_AmpCredits AMP credits In relation to AMP credits. Sale of Stock [Axis] Share-based compensation External Customers [Member] In relation to external customers. Accounts Payable and Accrued Liabilities Disclosure [Text Block] Fair Value Disclosures [Text Block] us-gaap_GainLossOnDispositionOfAssets Gain on sale of assets CURRENT LIABILITIES: us-gaap_LiabilitiesCurrent Total current liabilities Accounts receivable, net Tax Credit Carryforward [Table] Customer Relationships [Member] us-gaap_DebtAndCapitalLeaseObligations Debt and Lease Obligation us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization Accumulated Amortization us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax Share-based compensation us-gaap_DebtCurrent Debt, Current us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Net loss before provision for income taxes Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Additional paid-in capital Debt Disclosure [Text Block] Disposal Group, Held-for-Sale, Not Discontinued Operations [Member] Prepaid expenses and other current assets us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchases of property and equipment us-gaap_DebtInstrumentFaceAmount Debt Instrument, Face Amount CURRENT ASSETS: Schedule of Debt [Table Text Block] us-gaap_AccountsReceivableSale Accounts Receivable, Sale us-gaap_AssetsCurrent Total current assets us-gaap_GrossProfit Gross profit Trade Names [Member] Restricted Stock Units (RSUs) [Member] Debt Instrument, Name [Domain] Common stock issued under defined contribution 401(k) plan Fair Value Measurement Inputs and Valuation Techniques [Table] us-gaap_DebtInstrumentInterestRateStatedPercentage Debt Instrument, Interest Rate, Stated Percentage us-gaap_DebtInstrumentInterestRateEffectivePercentage Debt Instrument, Interest Rate, Effective Percentage Stock issued for restricted stock (in shares) us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) us-gaap_DebtInstrumentPeriodicPaymentPrincipal Debt Instrument, Periodic Payment, Principal us-gaap_DebtInstrumentPeriodicPayment Debt Instrument, Periodic Payment Long-Term Debt [Member] CASH FLOWS FROM OPERATING ACTIVITIES: Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Axis] us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount Debt Instrument, Unused Borrowing Capacity, Amount CASH FLOWS FROM INVESTING ACTIVITIES: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by (used in) operating activities CASH FLOWS FROM FINANCING ACTIVITIES: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash used in investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by financing activities Operating Segments [Member] Accounting Policies [Abstract] Segments [Domain] us-gaap_AccumulatedAmortizationDeferredFinanceCosts Accumulated Amortization, Debt Issuance Costs Accounting Standards Update and Change in Accounting Principle [Text Block] us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent Balance at beginning of period Balance at end of period Segments [Axis] Corporate Segment [Member] Income Statement [Abstract] Intersegment Eliminations [Member] us-gaap_UnrecognizedTaxBenefits Unrecognized Tax Benefits us-gaap_NumberOfReportableSegments Number of Reportable Segments us-gaap_TreasuryStockCommonValue Treasury stock, at cost, 273,937 shares as of March 31, 2026 and December 31, 2025 Treasury stock, common shares (in shares) BALANCE (in shares) BALANCE (in shares) Treasury Stock, Common [Member] Net loss Net loss NET LOSS Intangible amortization us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Income Tax Disclosure [Text Block] Accounting Standards Update and Change in Accounting Principle [Table] us-gaap_DeferredFinanceCostsNet Debt Issuance Costs, Net bwen_AccountsReceivableSaleDiscountFees Accounts Receivable, Sale, Discount Fees Amount of discount fees on sale of accounts receivable. Remaining Average Amortization Period (Year) Finite-Lived Intangible Assets, Remaining Amortization Period (Year) Certain Assets Used in Industrial Fabrication Operations in Manitowoc, Wisconsin [Member] Represents certain assets used in its industrial fabrication operations in Manitowoc, Wisconsin. The 2022 Credit Facility [Member] Represents the 2022 credit facility. Senior Secured Term Loan [Member] Represents the senior secured term loan. bwen_LineOfCreditFacilityOptionalIncreaseInMaximumBorrowingCapacity Line of Credit Facility, Optional Increase in Maximum Borrowing Capacity The amount of optional increase in maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. bwen_DebtInstrumentCovenantFixedChargeCoverageRatio Debt Instrument, Covenant, Fixed Charge Coverage Ratio Requirement for fixed charge coverage ratio under the debt agreement. OTHER EXPENSE, net: Statement of Financial Position [Abstract] Wisconsin Heavy Fabrication, LLC [Member] Represents Wisconsin Heavy Fabrication, LLC. us-gaap_NonoperatingIncomeExpense Total other expense, net bwen_ProceedsFromAssetsHeldForSaleToRepayDebt Proceeds From Assets Held For Sale to Repay Debt Amount of proceeds from assets held for sale to repay debt. us-gaap_LiabilitiesNoncurrent Total long-term liabilities us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs Write-offs LONG-TERM ASSETS: Advanced Manufacturing Production Tax Credits [Text Block] The entire disclosure for AMP credits. bwen_IncreaseDecreaseInAMPCreditReceivable Increase (Decrease) in AMP Credit Receivable AMP credit receivable Amount of increase (decrease) in AMP credit receivable. bwen_AmpCreditCreditPerWattOfWindPowerProduced AMP Credit, Credit Per Watt of Wind Power Produced Amount of credit per watt of wind power produced. Weighted-average remaining lease term-finance leases at end of period (in years) (Year) us-gaap_RepaymentsOfOtherLongTermDebt Payments on long-term debt LONG-TERM LIABILITIES: Other assets Document Type OPERATING EXPENSES: Document Information [Line Items] Document Quarterly Report Weighted-average remaining lease term-operating leases at end of period (in years) (Year) Document Information [Table] us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) Antidilutive Securities [Axis] NET LOSS PER COMMON SHARE—DILUTED: Entity Interactive Data Current The Sales Agreement [Member] Represents information pertaining to The Sales Agreement. Document Transition Report Intangible Asset, Finite-Lived, Amortization Expense [Table Text Block] Weighted average number of common shares outstanding (in shares) us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding WEIGHTED AVERAGE COMMON SHARES OUTSTANDING—DILUTED (in shares) us-gaap_OperatingExpenses Total operating expense, net NET LOSS PER COMMON SHARE—BASIC: bwen_SaleOfStockCommonStockAvailableForIssuanceValue Sale of Stock, Common Stock Available for Issuance, Value Amount of common stock available for issuance under Sales Agreement. Non-vested stock awards (1) (in shares) us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements Weighted average number of common shares outstanding (in shares) us-gaap_WeightedAverageNumberOfSharesOutstandingBasic WEIGHTED AVERAGE COMMON SHARES OUTSTANDING—BASIC (in shares) Antidilutive Security, Excluded EPS Calculation [Table] Basic net loss per share (in dollars per share) us-gaap_EarningsPerShareBasic Net loss (in dollars per share) us-gaap_NotesPayable Notes Payable Notes Payable, Other Payables [Member] Effective Income Tax Rate Reconciliation [Table] Customer deposits The current portion of money or property received from contract with customers which is either to be returned upon satisfactory contract completion or applied to customer receivables in accordance with the terms of the contract or the understandings. Intangible assets, net Total Document Fiscal Period Focus Customer [Domain] Cost Basis Document Fiscal Year Focus Amendment Flag Cost of sales The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities excluding restructuring costs. bwen_SalesAgentCommissionPercentage Sales Agent Commission Percentage Represents the percentage of sales agent commission. Common Stock [Member] us-gaap_SubleaseIncome Sublease income bwen_ValueOfSharesIssuableMaximum Value of Shares Issuable, Maximum The maximum value of shares issuable with respect to the agreement. Document Period End Date bwen_RevenueAsPercentageOfSalesAssociatedWithNewWindTurbineInstallations Revenue as Percentage of Sales Associated with New Wind Turbine Installations Represents the revenue as a percentage of sales associated with new wind turbine installations. bwen_FinitelivedIntangibleAssetsAccumulatedImpairmentCharges Accumulated Impairment Charges Accumulated amount of impairment charges of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Variable lease cost Legal Entity [Axis] Operating lease cost Heavy Fabrications [Member] Represents the Heavy Fabrications segment. Short-term lease cost Gearing [Member] Represents the gearing segment. Industrial Solutions [Member] Represents the Industrial Solutions segment. us-gaap_LeaseCost Total lease cost Entity File Number Entity Tax Identification Number Development Corporation of Abilene Loan [Member] Represents the development corporation of Abilene loan. Transferred over Time [Member] Disaggregation of Revenue [Table Text Block] Disaggregation of Revenue [Table] Entity [Domain] Entity Central Index Key Entity Registrant Name Entity Current Reporting Status Finance and Operating Lease Liability Maturity [Table Text Block] Tabular disclosure of undiscounted cash flows of finance and operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. 2031 and thereafter, finance leases Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Entity Incorporation, State or Country Code Timing of Transfer of Good or Service [Axis] Lessee Operating and Finance Leases [Text Block] The entire disclosure of operating and finance leases. Timing of Transfer of Good or Service [Domain] Schedule of Lease Quantitative Disclosure [Table Text Block] The tabular disclosure of lease quantitative information. Current Fiscal Year End Date bwen_FinanceLeaseCost Total finance lease costs Amount of finance lease cost. bwen_OperatingLeaseCostTotal Total operating lease costs Amount of total operating lease cost. 2029, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in third fiscal year following latest fiscal year. 2030, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in fourth fiscal year following latest fiscal year. 2031 and thereafter, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due after the fourth fiscal year following latest fiscal year. bwen_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue Total lease payments, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease. Entity Filer Category 2031 and thereafter, operating leases Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Entity Shell Company 2026, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in next fiscal year following latest fiscal year. Entity Emerging Growth Company 2027, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in first fiscal year following latest fiscal year. Entity Small Business 2028, total Amount of lessee's undiscounted obligation for lease payments for operating lease and finance lease, due in second fiscal year following latest fiscal year. bwen_OperatingLossCarryforwardsSubjectToExpiration Operating Loss Carryforwards, Subject to Expiration Amount of operating loss carryforwards that are subject to expiration dates. us-gaap_OperatingIncomeLoss Operating income Operating income (loss) bwen_OperatingLossCarryForwardsAnnualLimit Operating Loss Carry Forwards Annual Limit Amount of annual limit of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. bwen_ThresholdPercentageOfBeneficialOwnershipForSignificantDilutionInOwnershipInterest Threshold Percentage of Beneficial Ownership for Significant Dilution in Ownership Interest Subsequent to the adoption of a shareholders rights plan, this value represents the threshold percentage of beneficial ownership of common stock acquired by any person or group without approval of the board of directors, or additional shares acquired by any shareholder already holding such percentage of common stock, upon which a preferred share purchase rights offering would occur, which would significantly dilute the ownership of the acquirer. us-gaap_OperatingLossCarryforwards Operating Loss Carryforwards bwen_OperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount Less—portion representing interest, total Amount of operating and finance lease liabilities undiscounted excess amount. Present value of lease obligations, total Present value of lessee's discounted obligation for lease payments from operating and finance lease. Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] bwen_OperatingAndFinanceLeaseLiabilityCurrent Less—current portion of lease obligations, total Present value of lessee's discounted obligation for lease payments from operating lease and finance lease, classified as current. Long-term portion of lease obligations, total Present value of lessee's discounted obligation for lease payments from operating lease and finance lease, classified as non-current. bwen_AnnualTowerProductionCapacity Annual Tower Production Capacity Approximate number of wind towers that can be produced annually. bwen_PowerGeneratingCapacityOfTurbines Power Generating Capacity of Turbines (Barrel of Oil Equivalent) Represents the aggregate power-generating capacity of turbines for which the entity has the annual capacity to produce wind towers. bwen_ClassOfWarrantOrRightNumberOfRightsPerCommonStockShare Class of Warrant or Right Number of Rights Per Common Stock Share Represents the number of rights for each outstanding share of common stock. bwen_ClassOfWarrantOrRightCurrentBeneficialOwnershipPercentageThatWillNotTriggerPreferredSharePurchaseRights Class of Warrant or Right Current Beneficial Ownership Percentage That Will Not Trigger Preferred Share Purchase Rights Represents the current beneficial ownership percentage that will not trigger the preferred share purchase rights unless they acquire additional shares under the rights plan. us-gaap_SegmentReportingOtherItemAmount All other expenses (1) Basic earnings per share (in dollars per share) Represents the reduction in basic earnings per share related to compensation cost for equity-based payment arrangements recognized in income during the period. Diluted earnings per share (in dollars per share) Represents the reduction in diluted earnings per share related to compensation cost for equity-based payment arrangements recognized in income during the period. Entity Address, State or Province Inventory, Current [Table] Entity Address, City or Town bwen_NumberOfTowerSectionsInProductionCapacityOfTurbinesTotal Number of Tower Sections in Production Capacity of Turbines Total Represents the aggregate power-generating capacity of turbines in the Entity. Accumulated deficit Entity Address, Address Line One Contract assets City Area Code us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet Other non-current assets and liabilities us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation Shares withheld for taxes in connection with issuance of restricted stock Local Phone Number Entity Address, Postal Zip Code Revenue from Contract with Customer [Text Block] Title of 12(b) Security Security Exchange Name Trading Symbol Class of Stock [Axis] Consolidation, Eliminations [Member] Entity Common Stock, Shares Outstanding Earnings Per Share [Text Block] Deferred income taxes Income taxes payable Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) us-gaap_OtherLaborRelatedExpenses Indirect labor Other, net Sale of Stock [Domain] us-gaap_Assets Total assets TOTAL ASSETS Cash Diluted net loss per share (in dollars per share) us-gaap_EarningsPerShareDiluted Net loss (in dollars per share) Customer [Axis] Depreciation and amortization expense Depreciation and amortization us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation Shares withheld for taxes in connection with issuance of restricted stock Intangible Asset [Text Block] Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Disposal Group Name [Domain] Inventory Disclosure [Text Block] Finished goods Intangible Asset, Finite-Lived [Table Text Block] Intangible Asset, Finite-Lived [Table] bwen_DisposalGroupConsideration Disposal Group, Consideration Amount of consideration received or receivable for the disposal of assets and liabilities. Inventories Net inventories Assets Held For Sale [Text Block] The entire disclosure related to assets held for sale. Disposal Group Name [Axis] Rights [Member] Raw materials bwen_DebtInstrumentAmortizationPeriod Debt Instrument, Amortization Period (Month) The amortization period for a debt instrument. Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] us-gaap_IncreaseDecreaseInContractWithCustomerLiability Customer deposits us-gaap_InventoryGross Inventory, Gross us-gaap_StockholdersEquity Total stockholders’ equity BALANCE BALANCE us-gaap_IncreaseDecreaseInContractWithCustomerAsset Contract assets Work-in-process us-gaap_InventoryValuationReserves Less: Reserve Operating lease right-of-use assets us-gaap_OtherLiabilitiesNoncurrent Other ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Revenues Revenue from Contract with Customer, Including Assessed Tax ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] COMMITMENTS AND CONTINGENCIES