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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Schedule of cash, cash equivalents and restricted cash

   2020   2019 
Cash and cash equivalents  $20,744   $16,053 
Restricted cash   235    235 
Total cash and cash equivalents and restricted cash  $20,979   $16,288 

Schedule of accounts receivable

   September 30,   March 31, 
   2020   2020 
Accounts receivable, gross  $8,639   $4,109 
Less: Allowance for doubtful accounts   (78)   (220)
Accounts receivable, net  $8,561   $3,889