Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenue	$ 333,167	$ 259,926	$ 219,240
Cost of revenue	276,533	217,236	185,149
Gross profit	56,634	42,690	34,091
Selling, general and administrative expenses	30,249	23,466	20,800
Gain on reversal of deferred rent liability	1,041
Gain on change in fair value of contingent consideration, net	517	1,313
Goodwill and intangible asset impairment loss			10,163
Operating income	27,943	20,537	3,128
Interest expense	209	236	217
Other income (including interest income of $128 in 2011, $105 in 2010 and $63 in 2009)	657	551	484
Income before income taxes	28,391	20,852	3,395
Income tax expense	10,531	8,120	4,585
Net income (loss)	$ 17,860	$ 12,732	$ (1,190)
Basic weighted average shares outstanding (in shares)	18,766	18,621	15,835
Diluted weighted average shares outstanding (in shares)	19,010	18,729	15,911
Per common share data:
Basic earnings (loss) per share (in dollars per share)	$ 0.95	$ 0.68	$ (0.08)
Diluted earnings (loss) per share (in dollars per share)	$ 0.94	$ 0.68	$ (0.07)