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Property and Equipment (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Property and Equipment (Textual)        
Depreciation expense $ 500 $ 200 $ 800 $ 300