Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Detail)

v3.5.0.2
Accounts Receivable (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2016
Receivables [Abstract]          
Billed $ 11,332   $ 11,332   $ 13,220
Unbilled 6,616   6,616   4,763
Allowance for doubtful accounts (471)   (471)   (464)
Accounts receivable, net 17,477   17,477   $ 17,519
Write-offs $ 28 $ 164 $ 405 $ 164