Note 15 - Segment Reporting (Details Textual) - Heavy Fabrications [Member]	3 Months Ended
Mar. 31, 2023 MWh
Number of Facilities	2
Maximum [Member]
Annual Tower Production Capacity	550
Number of Tower Sections in Production Capacity of Turbines Total	1,650
Minimum [Member]
Power Generating Capacity of Turbines (Megawatt-Hour)	1,100

Represents the aggregate power-generating capacity of turbines for which the entity has the annual capacity to produce wind towers.

No definition available.

Name:	bwen_PowerGeneratingCapacityOfTurbines
Namespace Prefix:	bwen_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	duration