Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 7,789	$ 5,785
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,457	2,478
Deferred income taxes	(353)	764
Non-cash share-based compensation expense	82	498
Tax benefit from exercise of stock options	273	22
Loss on disposal of property and equipment	2
Net changes in assets and liabilities:
Trade accounts receivable	(1,875)	(2,400)
Unbilled revenue	(594)	(836)
Prepaid expenses and other	(670)	(66)
Accounts payable	(5)	81
Accrued expenses, wages, bonuses and profit sharing	(73)	1,156
Income taxes receivable and payable	(316)	478
Deferred revenue	1,084	298
Net cash provided by operating activities	7,801	8,258
Cash flows from investing activities:
Purchases of property and equipment	(1,284)	(1,307)
Payments for business acquisitions, net of cash acquired and acquisition earn-out obligation		(3,998)
Net cash used in investing activities	(1,284)	(5,305)
Cash flows from financing activities:
Proceeds from notes payable		4,545
Payments on notes payable	(936)	(4,052)
Payments on capital lease obligations	(62)	(72)
Proceeds from exercise of stock options	757	325
Common stock withheld from vested restricted shares for payroll tax withholdings	(527)	(74)
Excess tax benefit from share-based compensation	899	196
Payment of dividends on common stock	(3,525)	(2,956)
Net cash used in financing activities	(3,394)	(2,088)
Effect of exchange rate changes on cash	(37)	80
Increase in cash and cash equivalents	3,086	945
Cash and cash equivalents at beginning of period	8,082	3,519
Cash and cash equivalents at end of period	11,168	4,464
Supplemental disclosure of cash paid for:
Interest expense	272	302
Income taxes	$ 2,517	$ 1,859