CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income	$ 8,962	$ 14,558
Adjustments to reconcile net income to net cash provided by operations:
Depreciation and amortization	5,215	4,935
Loss (gain) on sale and abandonment of assets	56	(49)
Amortization of debt issuance costs	446	478
Non-cash stock-based compensation	1,114	1,724
Excess tax benefit related to stock option exercises	(221)	(148)
Provisions for losses on accounts receivable	229	33
Deferred income taxes	3,507	2,857
Change in operating assets and liabilities	(8,317)	(11,339)
Net cash provided by operating activities	10,991	13,049
Investing activities:
Purchase of leasehold improvements and equipment	(3,114)	(2,907)
Cost of contracts purchased	(572)	(395)
Proceeds from sale of assets	15	82
Capitalized interest	(12)	(40)
Contingent purchase payments	(93)	(293)
Net cash used in investing activities	(3,776)	(3,553)
Financing activities:
Proceeds from exercise of stock options	154	143
Repurchase of common stock		(5,031)
Earn-out payments made	(1,525)
Tax benefit related to stock option exercises	221	148
Payments on senior credit facility	(8,200)	(3,250)
Distribution to noncontrolling interest	(202)	(255)
Payments on long-term borrowings	(108)	(102)
Payments for debt issuance costs	(30)	(30)
Payments on capital leases	(414)	(399)
Net cash used in financing activities	(10,104)	(8,776)
Effect of exchange rate changes on cash and cash equivalents	55	(406)
Increase (decrease) in cash and cash equivalents	(2,834)	314
Cash and cash equivalents at beginning of period	13,220	7,305
Cash and cash equivalents at end of period	10,386	7,619
Cash paid during the period for:
Interest	2,415	3,151
Income taxes	$ 3,179	$ 4,975