Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Cash Provided by (Used in) Discontinued Operation Intercompany Transaction	$ 4	$ 441

Intercompany amount of cash inflow (outflow) from operating, investing, and financing activities; attributable to discontinued operation.

No definition available.

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