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Organization and Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 28, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Mar. 31, 2019
Organization and Basis of Presentation (Textual)            
Cash and cash equivalents   $ 13,965   $ 13,965   $ 13,704
Net loss   (8,808) $ (6,563) (30,393) $ (27,656)  
Utilized cash in operating activities       (5,368) $ (3,818)  
Working capital deficiency   $ 21,900   $ 21,900    
Stock splits, description       The Company sold 5,000,000 shares of its common stock to certain institutional investors for gross proceeds of $10.5 million.    
Sale of equity, debt or other financial instruments $ 150,000