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Senior Secured Convertible Notes (Details) - Senior Secured Convertible Notes [Member] - USD ($)
$ in Thousands
Dec. 31, 2020
Mar. 31, 2020
Senior Secured Convertible Notes $ 15,000
Accrued interest 319
Fair value of embedded derivatives 251
Less: Discount (2,421)
Net 13,119
Less: Accrued interest (319)
Senior Secured Convertible Notes, long-term $ 12,830