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Summary of Significant Accounting Policies (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Accounting Policies [Abstract]    
Accounts receivable, gross $ 4,109 $ 4,318
Less: Allowance for doubtful accounts 220 4
Accounts receivable, net $ 3,889 $ 4,314