Amount of discount fees on sale of accounts receivable.

No definition available.

Name:	bwen_AccountsReceivableSaleDiscountFees
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of employee retention credit collected by the Company.

+ References

No definition available.

+ Details

Name:	bwen_CollectedEmployeeRetentionCredit
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of benefit earned during the period from the employee retention credit.

+ References

No definition available.

+ Details

Name:	bwen_EmployeeRetentionCreditBenefit
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of stock issuance expenses not specifically disclosed.

+ References

No definition available.

+ Details

Name:	bwen_OtherStockIssuanceExpenses
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity, net of issuance cost.

+ References

No definition available.

+ Details

Name:	bwen_ProceedsFromIssuanceOfCommonStockNet
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of employee retention credit not collected by the Company as of the end of the reporting period.

+ References

No definition available.

+ Details

Name:	bwen_ReceivableUncollectedEmployeeRetentionCredit
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the revenue as a percentage of sales associated with new wind turbine installations.

+ References

No definition available.

+ Details

Name:	bwen_RevenueAsPercentageOfSalesAssociatedWithNewWindTurbineInstallations
Namespace Prefix:	bwen_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum value of shares issuable with respect to the agreement.

+ References

No definition available.

+ Details

Name:	bwen_ValueOfSharesIssuableMaximum
Namespace Prefix:	bwen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease from sale of accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 11
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447

+ Details

Name:	us-gaap_AccountsReceivableSale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of short-term and long-term debt and lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

+ Details

Name:	us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of debt and lease obligation, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(21))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_NonoperatingIncomeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=bwen_TheATMAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
	Mar. 09, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jan. 31, 2022	Dec. 31, 2021
Revenue as Percentage of Sales Associated with New Wind Turbine Installations					53.00%	68.00%
Debt and Lease Obligation, Total		$ 22,975			$ 22,975
Debt, Current, Total		19,348			19,348
Proceeds from Issuance of Common Stock, Net					0	$ 9,349
Receivable, Uncollected Employee Retention Credit								$ 497
Collected, Employee Retention Credit							$ 497
Accounts Receivable, Sale		30,133	$ 32,694		45,493	54,011
Accounts Receivable, Sale, Discount Fees		$ 414	79		$ 490	$ 133
Nonoperating Income (Expense) [Member]
Employee Retention Credit Benefit			$ 3,593	$ 3,372
The ATM Agreement [Member]
Value of Shares Issuable, Maximum	$ 10,000
Stock Issued During Period, Shares, New Issues (in shares)						1,897,697
Proceeds from Issuance of Common Stock, Net	9,725
Payments of Stock Issuance Costs	275
Other Stock Issuance Expenses	$ 411