Condensed Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue	$ 99,671	$ 88,948	$ 295,587	$ 239,275
Cost of revenue	81,742	74,083	243,041	198,907
Gross profit	17,929	14,865	52,546	40,368
Selling, general and administrative expenses	8,890	7,601	26,220	22,212
Gain on reversal of deferred rent liability	0	0	0	1,041
Gain (loss) on change in fair value of contingent consideration, net	(792)	303	(863)	506
Operating income	8,247	7,567	25,463	19,703
Interest expense	75	51	175	149
Other income	72	157	262	498
Income before income tax expense	8,244	7,673	25,550	20,052
Income tax expense	2,061	3,054	8,999	8,132
Net income	$ 6,183	$ 4,619	$ 16,551	$ 11,920
Basic weighted average shares outstanding	19,009	18,784	18,912	18,761
Diluted weighted average shares outstanding	19,328	19,048	19,255	18,996
Per common share data:
Basic earnings per share	$ 0.33	$ 0.25	$ 0.88	$ 0.64
Diluted earnings per share	$ 0.32	$ 0.24	$ 0.86	$ 0.63