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Organization and Basis of Presentation (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2019
Mar. 31, 2019
Mar. 31, 2018
Organization and Basis of Presentation (Textual)      
Cash and cash equivalents   $ 13,704 $ 10,285
Net loss   (37,762) (23,336)
Utilized cash in operating activities   (5,771) $ (5,726)
Working capital deficiency   $ 14,600  
Sale of equity, debt or other financial instruments $ 150,000