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INCOME TAXES (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
INCOME TAXES      
Deferred income taxes due, net $ 0us-gaap_DeferredTaxAssetsNet    
Provision for income taxes 77us-gaap_IncomeTaxExpenseBenefit 24us-gaap_IncomeTaxExpenseBenefit  
Operating Loss Carryforwards     173,823us-gaap_OperatingLossCarryforwards
Expiration of the statute of limitations      
Income Taxes      
Decrease in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations within the next twelve months $ (63)us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit
/ us-gaap_ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItemAxis
= bwen_ExpirationOfApplicableStatuteOfLimitationsMember