Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (2,858)	$ (1,144)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	3,777	3,244
Amortization of deferred loan costs	20	0
Stock-based compensation expense	3,254	1,799
Loss on sale of fixed assets	0	14
Deferred income taxes	0	(267)
Foreign currency transaction losses (gains) on short-term intercompany balances	(1,509)	(811)
Changes in operating assets and liabilities, net of effects of acquisitions:
Restricted cash	(114)	(96)
Billed receivables	1,518	2,077
Unbilled receivables	636	190
Prepaid expenses and other current assets	(850)	(510)
Other assets	328	(44)
Accounts payable and accrued expenses	2,270	1,105
Accrued payroll and related expenses	(1,988)	(442)
Refund liabilities	(377)	109
Deferred revenue	351	17
Other long-term liabilities	(3,182)	221
Net cash provided by operating activities	1,276	5,462
Business acquisition, net of cash acquired	(10,128)	0
Cash flows from investing activities:
Purchases of property and equipment, net of disposal proceeds	(4,049)	(2,138)
Net cash used in investing activities	(14,177)	(2,138)
Proceeds from term loan	10,000	0
Payment of deferred loan cost	(157)	0
Cash flows from financing activities:
Restricted stock repurchased from employees for withholding taxes	(60)	(143)
Proceeds from option exercises	821	132
Repurchase of common stock	0	(3,658)
Net cash provided by (used in) financing activities	10,604	(3,669)
Effect of exchange rates on cash and cash equivalents	(556)	397
Net (decrease) increase in cash and cash equivalents	(2,853)	52
Cash and cash equivalents at beginning of period	15,723	15,122
Cash and cash equivalents at end of period	12,870	15,174
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	149	15
Cash paid during the period for income taxes, net of refunds received	$ 731	$ 385