Consolidated Income Statements - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Revenues	$ 38,830	$ 28,167
Cost of sales	26,363	20,645
Gross profit	12,467	7,522
Operating expenses:
Selling and marketing	1,039	1,117
General and administrative	2,035	1,386
Total operating expenses	3,074	2,503
Operating income	9,393	5,019
Interest expense, net	85	271
Income before income taxes	9,308	4,748
Income tax expense	3,574	1,804
Net income	$ 5,734	$ 2,944
Net income per common share - Basic	$ 0.14	$ 0.09
Net income per common share - Diluted	$ 0.13	$ 0.09
Weighted average number of shares outstanding - Basic	41,507,941	32,888,659
Weighted average number of shares outstanding - Diluted	43,503,889	33,944,876