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BASIS OF PRESENTATION (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Jul. 31, 2018
Mar. 31, 2020
Dec. 31, 2019
Description of Business      
Revenue as a percentage of sales associated with new wind turbine installations   74.00%  
Liquidity      
Total debt and capital lease obligations   $ 17,761  
Obligation to make principal payments on outstanding debt during the next twelve months   16,812  
Outstanding indebtedness under the Credit Facility   $ 14,000  
Common stock, par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001
Sales agent commission percentage   3.00%  
ATM common stock available for issuance   $ 9,967  
Minimum      
Liquidity      
Number of months cash resources adequate to meet Company's liquidity needs   12 months  
Maximum      
Liquidity      
Proceeds from issuance of stock $ 10,000