Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net revenue	$ 518,020	$ 431,929	$ 301,253
Cost of sales	377,968	322,241	227,210
Gross profit	140,052	109,688	74,043
Operating expenses
Selling	30,951	25,509	19,807
Administrative	80,678	67,194	56,333
Management fees, related parties		0	4,300
Gain on litigation settlement		(31)	(6,975)
Amortization	2,837	3,057	3,082
Other		881	(608)
Operating income (loss)	25,586	13,078	(1,896)
Other expense (income)
Interest expense	3,166	2,257	1,979
Other	(167)	(33)	(136)
Non-operating income (expense)	2,999	2,224	1,843
Income (loss) before income taxes	22,587	10,854	(3,739)
Income tax provision	8,607	4,216	555
Net income (loss) from continuing operations	13,980	6,638	(4,294)
Discontinued operations
Loss (income) from discontinued operations	78	960	(3,835)
Income tax (benefit) provision	(30)	(362)	1,447
Loss (income) from discontinued operations, net of income taxes	48	598	(2,388)
Net income (loss)	13,932	6,040	(1,906)
Net loss attributable to common stockholders	(5,965)	(183)	(7,435)
Weighted average shares outstanding (basic and diluted)	30,106,862	22,033,901	20,351,552
Net (loss) income per share (basic and diluted)
(Loss) income per share from continuing operations attributable to common stockholders (basic and diluted)	$ (0.20)	$ 0.02	$ (0.49)
(Loss) income per share from discontinued operations attributable to common stockholders (basic and diluted)		$ (0.03)	$ 0.12
Loss per share attributable to common stockholders (basic and diluted)	$ (0.20)	$ (0.01)	$ (0.37)
Redeemable Preferred Stock [Member]
Discontinued operations
Accretion charges on redeemable preferred stock	$ (19,897)	$ (6,223)	$ (5,529)