Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Revenue	$ 122,931	$ 123,869	$ 363,849	$ 376,667
Cost of revenue	102,562	101,351	304,269	311,027
Gross profit	20,369	22,518	59,580	65,640
Selling, general and administrative expenses	12,253	11,863	35,859	34,914
Restructuring Charges	1,195	0	1,195	0
Gain (loss) on change in fair value of contingent consideration, net	(56)	655	(314)	1,513
Operating income	6,865	11,310	22,212	32,239
Interest expense	340	117	1,011	399
Other income (expense)	(606)	(72)	(1,141)	185
Income before income tax expense	5,919	11,121	20,060	32,025
Income tax expense	2,203	3,877	7,523	12,351
Net income	$ 3,716	$ 7,244	$ 12,537	$ 19,674
Basic weighted average shares outstanding (in shares)	17,117	19,131	17,151	19,138
Diluted weighted average shares outstanding (in shares)	17,272	19,391	17,313	19,409
Per common share data:
Basic earnings per share (in dollars per share)	$ 0.22	$ 0.38	$ 0.73	$ 1.03
Diluted earnings per share (in dollars per share)	$ 0.22	$ 0.37	$ 0.72	$ 1.01