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OTHER ASSETS (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Jun. 28, 2019
Right of use assets $ 1,587 $ 1,806  
Carrying value of note $ 5,207 5,096  
Transformer Business Units [Member] | Subordinated Promissory Notes [Member]      
Principal amount     $ 7,500
Interest rate 4.00%    
Maturity date Dec. 31, 2022    
Cash payment for promissory note   1,700  
Revaluation of note $ 111    
Carrying value of note $ 5,200 5,100  
Transformer Business Units [Member] | Subordinated Promissory Notes [Member] | First Seller Note [Member]      
Principal amount   $ 3,300 $ 5,000