CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) In Thousands, except Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) [Abstract]
Revenue	$ 96,379	$ 68,420	$ 234,375	$ 202,312
Cost of revenue	78,941	57,630	195,746	170,568
Gross profit	17,438	10,790	38,629	31,744
Selling, general and administrative expenses	7,041	5,197	19,519	16,233
Amortization of intangible assets	1,553	385	2,301	1,156
Operating income	8,844	5,208	16,809	14,355
Interest expense, net	(3,027)	(339)	(4,047)	(1,082)
Other income (expense), net	(157)	151	6	234
Income from continuing operations before provision for income taxes	5,660	5,020	12,768	13,507
Provision for income taxes	2,382	2,014	5,345	5,185
Income from continuing operations	3,278	3,006	7,423	8,322
Income from discontinued operations, net of tax	0	87	0	392
Net income	$ 3,278	$ 3,093	$ 7,423	$ 8,714
Basic
Income from continuing operations (in dollars per share)	$ 0.32	$ 0.30	$ 0.74	$ 0.84
Income from discontinued operations (in dollars per share)	$ 0	$ 0.01	$ 0	$ 0.04
Net Income (in dollars per share)	$ 0.32	$ 0.31	$ 0.74	$ 0.88
Diluted
Income from continuing operations (in dollars per share)	$ 0.32	$ 0.30	$ 0.73	$ 0.83
Income from discontinued operations (in dollars per share)	$ 0	$ 0.01	$ 0	$ 0.04
Net Income (in dollars per share)	$ 0.32	$ 0.31	$ 0.73	$ 0.87
Basic (in shares)	10,244,868	9,937,470	10,060,585	9,879,905
Diluted (in shares)	10,314,413	10,060,980	10,205,603	10,057,211