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Note 5 - AMP Credits (Details Textual) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Increase (Decrease) in AMP Credit Receivable		$ 6,729	$ (0)
Heavy Fabrications [Member]
Increase (Decrease) in AMP Credit Receivable	$ 3,567	$ 6,729
AMP Credit, Credit Per Watt of Wind Power Produced	0.03	0.03

X

- Definition

Amount of credit per watt of wind power produced.

+ References

No definition available.

+ Details

Name:	bwen_AmpCreditCreditPerWattOfWindPowerProduced
Namespace Prefix:	bwen_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of increase (decrease) in AMP credit receivable.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=bwen_HeavyFabricationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: