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Revenue (Details) - Schedule of contract liabilities balances - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Schedule of contract liabilities balances [Abstract]    
Balance $ 949 $ 950
Revenue recognized that was included in the contract liability at beginning of period (949) (950)
Increase due to cash received, excluding amounts recognized as revenue during the period 1,262 949
Balance $ 1,262 $ 949