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Senior Secured Convertible Debentures (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 31, 2019
Senior Secured Convertible Debentures [Abstract]    
Senior Secured Convertible Debentures $ 11,775 $ 13,101
Accrued interest 142
Fair Value of Embedded Derivatives 392 586
Less: Discount (1,259) (1,434)
Net 10,908 12,395
Less: Senior Secured Convertible Debentures, current 10,908 2,111
Senior Secured Convertible Debentures, long-term $ 10,284