Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Revenue	$ 38,965,387	$ 27,990,463
Cost of revenue	23,819,864	16,465,084
Gross profit	15,145,523	11,525,379
Operating expenses
Research and development	605,264	877,788
Selling and shipping	1,208,174	1,282,101
General and administrative	7,745,092	8,204,514
Litigation settlement	995,000	4,925,000
Total operating expenses	10,553,530	15,289,403
Operating income/(loss)	4,591,993	(3,764,024)
Other income (expense):
Interest income	24,540	33,159
Interest expense	(92,101)	(109,418)
Other income/(expense)	759	130,813
Total other (expense)/income net	(66,802)	54,554
Income/(loss) before income tax expense	4,663,191	(3,709,470)
Income tax expense/(benefit)	1,320,195	(1,235,940)
Net income/(loss)	$ 3,204,996	$ (2,473,530)
Basic income/(loss) per common share (in dollars per share)	$ 0.52	$ (0.40)
Diluted income/(loss) per common share (in dollars per share)	$ 0.51	$ (0.40)
Outstanding-basic (in shares)	6,175,254	6,129,831
Outstanding-diluted (in shares)	6,283,307	6,129,831