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Revenue (Details 1)
$ in Thousands
9 Months Ended
Dec. 31, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Balance as of March 31, 2020 $ 949
Revenue recognized that was included in the contract liability at beginning of period (618)
Increase due to cash received, excluding amounts recognized as revenue during the period 1,081
Balance as of December 31, 2020 $ 1,412