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3. BALANCE SHEET DETAIL - Accounts receivable, net (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Mar. 31, 2016
Accounts receivable, net:    
Accounts receivable $ 6,453 $ 7,578
Less: Allowances for sales returns, doubtful accounts and other (104) (100)
Total accounts receivable, net $ 6,349 $ 7,478