Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ (5,142)	$ 1,334
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	5,073	6,643
Amortization of deferred loan costs	39	91
Stock-based compensation expense	2,004	2,473
Deferred income taxes	(418)	(237)
Foreign currency transaction (gains) losses on short-term intercompany balances	(148)	582
Changes in operating assets and liabilities:
Restricted cash	(137)	(122)
Billed receivables	360	5,404
Unbilled receivables	7,372	(5,148)
Prepaid expenses and other current assets	248	(959)
Other assets	(7)	23
Accounts payable and accrued expenses	(659)	(2,563)
Accrued payroll and related expenses	(2,243)	(8,682)
Refund liabilities	(979)	(448)
Deferred revenue	229	(417)
Noncurrent compensation obligations	184	241
Other long-term liabilities	76	(1,348)
Net cash provided by (used in) operating activities	5,852	(3,133)
Cash flows from investing activities:
Purchases of property and equipment, net of disposal proceeds	(2,333)	(2,989)
Net cash used in investing activities	(2,333)	(2,989)
Cash flows from financing activities:
Repayments of long-term debt	0	(1,500)
Payment of deferred loan costs	(91)	0
Restricted stock repurchased from employees for withholding taxes	(491)	(1,192)
Proceeds from option exercises	2,328	402
Payments of deferred acquisition consideration	(1,978)	(1,656)
Net proceeds from issuance of common stock	0	4,118
Repurchase of common stock	(10,998)	0
Net cash provided by (used in) financing activities	(11,230)	172
Effect of exchange rates on cash and cash equivalents	378	(754)
Net decrease in cash and cash equivalents	(7,333)	(6,704)
Cash and cash equivalents at beginning of period	43,700	37,806
Cash and cash equivalents at end of period	36,367	31,102
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	48	365
Cash paid during the period for income taxes, net of refunds received	$ 1,377	$ 1,207