Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net loss	$ (552)	$ (2,958)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	1,630	2,038
Amortization of deferred loan costs	20	0
Stock-based compensation expense	773	1,132
Deferred income taxes	(50)	216
Foreign currency transaction (gains) losses on short-term intercompany balances	(1,007)	1,692
Changes in operating assets and liabilities:
Restricted cash	(52)	(54)
Billed receivables	2,393	3,688
Unbilled receivables	690	2,396
Prepaid expenses and other current assets	(50)	647
Other assets	(60)	27
Accounts payable and accrued expenses	1,338	(963)
Accrued payroll and related expenses	11	(2,148)
Refund liabilities	66	(492)
Deferred revenue	(207)	170
Other long-term liabilities	(25)	33
Net cash provided by operating activities	4,918	5,424
Cash flows from investing activities:
Purchases of property and equipment, net of disposal proceeds	(1,023)	(1,116)
Net cash used in investing activities	(1,023)	(1,116)
Cash flows from financing activities:
Restricted stock repurchased from employees for withholding taxes	(48)	(51)
Proceeds from option exercises	132	45
Repurchase of common stock	(2,624)	(5,488)
Net cash used in financing activities	(2,540)	(5,494)
Effect of exchange rates on cash and cash equivalents	(778)	(1,161)
Net increase (decrease) in cash and cash equivalents	577	(2,347)
Cash and cash equivalents at beginning of period	15,122	25,735
Cash and cash equivalents at end of period	15,699	23,388
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	13	14
Cash paid during the period for income taxes, net of refunds received	$ 358	$ 188