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COMMITMENTS AND CONTINGENCIES - UNDISCOUNTED CASH FLOWS (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]    
2020 (remaining 3 months) $ 262  
2021 1,053  
2022 617  
2023 13  
Thereafter 0  
Total minimum lease payments 1,945  
Less: Interest (101)  
Present value of lease liabilities $ 1,844 $ 0