Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net earnings	$ 1,334	$ 1,294
Adjustments to reconcile net earnings from operations to net cash (used in) provided by operating activities:
Depreciation and amortization	6,643	6,878
Amortization of deferred loan costs (Note F)	91	91
Stock-based compensation expense	2,473	2,640
Deferred income taxes	(237)	(45)
Foreign currency transaction losses on short-term intercompany balances	582	158
Changes in assets and liabilities:
Restricted cash	(122)	(113)
Billed receivables	5,404	(665)
Unbilled receivables	(5,148)	(4,131)
Prepaid expenses and other current assets	(959)	916
Other assets	23	(173)
Accounts payable and accrued expenses	(2,563)	(649)
Accrued payroll and related expenses	(8,682)	(4,346)
Refund liabilities	(448)	(167)
Deferred revenue	(417)	(504)
Noncurrent compensation obligations	241	236
Other long-term liabilities	(1,348)	(550)
Net cash (used in) provided by operating activities	(3,133)	870
Cash flows from investing activities:
Business acquisition	0	(1,437)
Purchases of property and equipment, net of disposal proceeds	(2,989)	(4,220)
Net cash used in investing activities	(2,989)	(5,657)
Cash flows from financing activities:
Repayments of long-term debt	(1,500)	(1,500)
Restricted stock repurchased from employees for withholding taxes	(1,192)	(1,337)
Proceeds from option exercises	402	238
Payments of deferred acquisition consideration	(1,656)	(1,180)
Net proceeds from issuance of common stock	4,118	0
Net cash provided by (used in) financing activities	172	(3,779)
Effect of exchange rates on cash and cash equivalents	(754)	66
Net decrease in cash and cash equivalents	(6,704)	(8,500)
Cash and cash equivalents at beginning of period	37,806	20,337
Cash and cash equivalents at end of period	31,102	11,837
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	365	181
Cash paid during the period for income taxes, net of refunds received	$ 1,207	$ 867