Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues	$ 21,682	$ 15,296	$ 72,422	$ 47,755
Cost of sales	17,298	13,801	55,301	42,255
Gross profit	4,384	1,495	17,121	5,500
Operating expenses:
Selling and marketing	958	630	2,972	1,894
General and administrative	1,524	992	4,216	2,609
Total operating expenses	2,482	1,622	7,188	4,503
Operating income (loss)	1,902	(127)	9,933	997
Interest expense	(157)	(99)	(600)	(494)
Income (loss) before income taxes	1,745	(226)	9,333	503
Income tax expense (benefit)	663	(118)	3,547	143
Net income (loss)	$ 1,082	$ (108)	$ 5,786	$ 360
Net income (loss) per common share - Basic	$ 0.03	$ 0.00	$ 0.18	$ 0.01
Net income (loss) per common share - Diluted	$ 0.03	$ 0.00	$ 0.17	$ 0.01
Weighted average number of shares outstanding - Basic	32,639,429	32,031,426	32,487,230	28,179,853
Weighted average number of shares outstanding - Diluted	33,856,045	32,031,426	34,071,982	29,839,975