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Fair Value Measurements (Details Textual)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Fair Value Measurements (Textual)    
Fair value of other income (expense) $ 300 $ 400
Fair value of derivative instrument on convertible debentures $ 300 $ 300