Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net loss	$ (5,270)	$ (5,381)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	5,875	7,396
Amortization of deferred loan costs	(100)	67
Stock-based compensation expense	4,530	3,409
Loss/gain on sale of assets/investments	1,561	0
Deferred income taxes	61	(933)
Foreign currency transaction losses on short-term intercompany balances	1,930	1,073
Changes in operating assets and liabilities:
Restricted cash	(45)	(64)
Billed receivables	6,843	(2,762)
Unbilled receivables	1,815	7,921
Prepaid expenses and other current assets	211	541
Other assets	(40)	15
Accounts payable and accrued expenses	(822)	(2,871)
Accrued payroll and related expenses	(2,861)	(445)
Refund liabilities	(581)	(1,058)
Deferred revenue	(645)	(265)
Noncurrent compensation obligations	0	414
Other long-term liabilities	(99)	73
Net cash provided by operating activities	12,363	7,130
Cash flows from investing activities:
Purchases of property and equipment, net of disposal proceeds	(3,169)	(3,574)
Net cash used in investing activities	(3,169)	(3,574)
Cash flows from financing activities:
Payment of deferred loan costs	0	(104)
Restricted stock repurchased from employees for withholding taxes	(311)	(568)
Proceeds from option exercises	45	2,790
Payments of deferred acquisition consideration	0	(2,208)
Repurchase of common stock	(17,261)	(20,000)
Net cash used in financing activities	(17,527)	(20,090)
Effect of exchange rates on cash and cash equivalents	(1,729)	(873)
Net decrease in cash and cash equivalents	(10,062)	(17,407)
Cash and cash equivalents at beginning of period	25,735	43,700
Cash and cash equivalents at end of period	15,673	26,293
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	51	80
Cash paid during the period for income taxes, net of refunds received	$ 734	$ 2,405