Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (2,661)	$ (2,183)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,011	1,944
Amortization of deferred loan costs	8	0
Noncash interest expense	278	0
Stock-based compensation expense	1,945	1,566
Foreign currency transaction gains on short-term intercompany balances	(220)	(552)
Deferred income taxes	169	0
Foreign currency transaction gains on short-term intercompany balances	(220)	(552)
Changes in operating assets and liabilities, net of business acquisitions:
Restricted cash	(61)	(55)
Billed receivables	5,944	1,029
Unbilled receivables	(44)	1,008
Prepaid expenses and other current assets	369	306
Other assets	16	395
Accounts payable and accrued expenses	(1,645)	(1,036)
Accrued payroll and related expenses	(4,060)	(3,119)
Refund liabilities	144	(241)
Deferred revenue	300	91
Long-term incentive compensation payout	(5,380)	0
Other long-term liabilities	(82)	(2,494)
Net cash used in operating activities	(2,969)	(3,341)
Cash flows from investing activities:
Business acquisition, net of cash acquired	19	(10,140)
Purchases of property and equipment, net of disposal proceeds	(2,520)	(1,500)
Net cash used in investing activities	(2,501)	(11,640)
Cash flows from financing activities:
Proceeds from term loan	1,500	10,000
Repayments of long-term debt	(1,500)	0
Restricted stock repurchased from employees for withholding taxes	(1,088)	0
Proceeds from option exercises	2,260	382
Net cash provided by financing activities	1,172	10,382
Effect of exchange rates on cash and cash equivalents	423	411
Net decrease in cash and cash equivalents	(3,875)	(4,188)
Cash and cash equivalents at beginning of period	18,823
Cash and cash equivalents at end of period	14,948
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	141	33
Cash paid during the period for income taxes, net of refunds received	$ 529	$ 891