Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net earnings (loss)	$ (497)	$ 292
Adjustments to reconcile earnings (loss) from operations to net cash provided by operating activities:
Depreciation and amortization	3,284	3,840
Amortization of deferred loan costs (Note F)	46	46
Stock-based compensation expense	1,318	1,401
Loss on sale of property and equipment	0	1
Deferred income taxes	(45)	(33)
Foreign currency transaction (gains) losses on short-term intercompany balances	357	(339)
Changes in assets and liabilities:
Restricted cash	(64)	(59)
Billed receivables	5,163	3,199
Unbilled receivables	1,507	(2,012)
Prepaid expenses and other current assets	(313)	923
Other assets	20	29
Accounts payable and accrued expenses	(2,359)	(407)
Accrued payroll and related expenses	(6,985)	(5,182)
Refund liabilities	(273)	(44)
Deferred revenue	279	151
Noncurrent compensation obligations	197	167
Other long-term liabilities	(786)	1
Net cash provided by operating activities	849	1,974
Cash flows from investing activities:
Business acquisition	0	(997)
Purchases of property and equipment, net of disposal proceeds	(2,207)	(1,967)
Net cash used in investing activities	(2,207)	(2,964)
Cash flows from financing activities:
Repayments of long-term debt	(750)	(750)
Restricted stock repurchased from employees for withholding taxes	(430)	(209)
Proceeds from option exercises	336	38
Payments of deferred acquisition consideration	(1,656)	(650)
Net proceeds from issuance of common stock	4,118	0
Net cash provided by (used in) financing activities	1,618	(1,571)
Effect of exchange rates on cash and cash equivalents	(279)	416
Net decrease in cash and cash equivalents	(19)	(2,145)
Cash and cash equivalents at beginning of period	37,806	20,337
Cash and cash equivalents at end of period	37,787	18,192
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	71	93
Cash paid during the period for income taxes, net of refunds received	$ 294	$ 225