Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue	$ 5,003,433	$ 9,692,444
Cost of revenue	3,470,322	5,932,616
Gross profit	1,533,111	3,759,828
Operating expenses
Research and development	81,875	211,890
Selling and shipping	257,791	313,817
General and administrative	1,726,100	2,027,110
Total operating expenses	2,065,766	2,552,817
Operating (loss)/income	(532,655)	1,207,011
Other income (expense)
Interest income	6,746	6,082
Interest expense	(19,993)	(24,725)
Other income	4,448	781
Total other (expense)	(8,799)	(17,862)
(Loss)/income before income tax benefit/(expense)	(541,454)	1,189,149
Income tax benefit/(expense)	203,690	(520,927)
Net (loss)/income	$ (337,764)	$ 668,222
Basic (loss)/income per common share (in dollars per share)	$ (0.05)	$ 0.11
Diluted (loss)/income per common share (in dollars per share)	$ (0.05)	$ 0.11
Weighted average common shares outstanding- basic (in shares)	6,213,142	6,168,307
Net effect of potential common share issuance (in shares)		130,887
Weighted average common shares outstanding- diluted (in shares)	6,213,142	6,299,194