BASIS OF PRESENTATION (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended		30 Months Ended		0 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Jun. 30, 2013	Apr. 30, 2013 Brandon Facility	Aug. 22, 2012 Credit facility	Jun. 30, 2013 Credit facility	Aug. 23, 2012 Credit facility
Description of Business
Revenue as a percentage of sales associated with new wind turbine installations			62.00%	63.00%
BASIS OF PRESENTATION
Cash and cash equivalents	$ 17,261		$ 17,261	$ 8,136	$ 516	$ 13,340	$ 17,261
Increase in liquidity as a result of the sale of manufacturing facility								8,000
Line of credit facilities, term of credit agreements									3 years
Maximum borrowing capacity											20,000
Maximum borrowing capacity of the face value of eligible receivables (as a percent)											85.00%
Maximum percentage of book value of inventories that may be financed											50.00%
Current borrowing capacity										13,318
Outstanding indebtedness under the Credit Facility										0
Liquidity
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	356		356				356
Restructuring charges incurred	(1,111)	1,967			5,092	874	6,822
Expected cost to be incurred to implement the restructuring plan			12,736
Non-cash expenditure expected to be incurred			$ 5,400