Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Detail)

v3.7.0.1
Accounts Receivable (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2017
Receivables [Abstract]      
Billed $ 11,843   $ 9,367
Unbilled 8,964   7,784
Allowance for doubtful accounts (671)   (597)
Accounts receivable, net 20,136   $ 16,554
Write-offs $ 79 $ 377