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BASIS OF PRESENTATION (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 9 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Dec. 31, 2011
BASIS OF PRESENTATION        
Revenue as a percentage of sales associated with new wind turbine installations 63.00% 75.00%    
Minimum period for which liquidity needs will be met from current cash resources and cash to be generated from operations over the next twelve months 12 months      
Obligation to make principal payments on outstanding debt during the next twelve months $ 1,455   $ 1,455 $ 2,202
Indebtedness associated with liabilities held for sale 4,333   4,333  
Obligation to make purchase commitments 360      
Expected cost to be incurred to implement the restructuring plan 11,600   2,756  
Non-cash expenditure expected to be incurred 3,400      
Anticipated net proceeds from asset sales 7,200      
Anticipated annual cash flow savings from restructuring efforts 5,500      
BASIS OF PRESENTATION        
Raw materials 23,055   23,055 11,943
Tower and Weldments
       
BASIS OF PRESENTATION        
Increase in total raw materials $ 11,112