Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 88,948	$ 66,078	$ 239,275	$ 189,107
Cost of revenue	74,083	54,851	198,907	158,986
Gross profit	14,865	11,227	40,368	30,121
Selling, general and administrative expenses	7,601	5,776	22,212	17,215
Gain on reversal of deferred rent liability			1,041
Gain (loss) on change in fair value of contingent consideration, net	303	(55)	506	1,478
Operating income	7,567	5,396	19,703	14,384
Interest expense	51	47	149	147
Other income	157	143	498	437
Income before income tax expense	7,673	5,492	20,052	14,674
Income tax expense	3,054	2,349	8,132	6,217
Net income	$ 4,619	$ 3,143	$ 11,920	$ 8,457
Basic weighted average shares outstanding (in shares)	18,784	18,610	18,761	18,607
Diluted weighted average shares outstanding (in shares)	19,048	18,725	18,996	18,713
Per common share data:
Basic earnings per share (in dollars per share)	$ 0.25	$ 0.17	$ 0.64	$ 0.45
Diluted earnings per share (in dollars per share)	$ 0.24	$ 0.17	$ 0.63	$ 0.45