Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (2,183)	$ (552)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,944	1,630
Amortization of deferred loan costs	0	20
Stock-based compensation expense	1,566	773
Deferred income taxes	0	(50)
Foreign currency transaction gains on short-term intercompany balances	(552)	(1,007)
Changes in operating assets and liabilities:
Restricted cash	(55)	(52)
Billed receivables	1,029	2,393
Unbilled receivables	1,008	690
Prepaid expenses and other current assets	306	(50)
Other assets	396	(60)
Accounts payable and accrued expenses	(1,036)	1,338
Accrued payroll and related expenses	(3,119)	11
Refund liabilities	(241)	66
Deferred revenue	91	(207)
Other long-term liabilities	(2,494)	(25)
Net cash (used in) provided by operating activities	(3,341)	4,918
Business acquisition, net of cash acquired	(10,140)	0
Cash flows from investing activities:
Purchases of property and equipment, net of disposal proceeds	(1,500)	(1,023)
Net cash used in investing activities	(11,640)	(1,023)
Proceeds from term loan	10,000	0
Cash flows from financing activities:
Restricted stock repurchased from employees for withholding taxes	0	(48)
Proceeds from option exercises	382	132
Repurchase of common stock	0	(2,624)
Net cash provided by (used in) financing activities	10,382	(2,540)
Effect of exchange rates on cash and cash equivalents	411	(778)
Net (decrease) increase in cash and cash equivalents	(4,188)	577
Cash and cash equivalents at beginning of period	15,723
Cash and cash equivalents at end of period	11,535
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	33	13
Cash paid during the period for income taxes, net of refunds received	$ 891	$ 358