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Accounts Receivable
9 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Accounts Receivable
Accounts Receivable
Accounts receivable at December 31, 2017 and March 31, 2017 consisted of the following (in thousands):
 
December 31,
2017
 
March 31,
2017
Accounts receivable (billed)
$
10,379

 
$
7,436

Accounts receivable (unbilled)
1,727

 
574

Less: Allowance for doubtful accounts
(54
)
 
(54
)
Accounts receivable, net
$
12,052

 
$
7,956