Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue	$ 10,645,824	$ 8,867,158	$ 30,772,421	$ 19,359,547
Cost of revenue	6,520,341	5,558,059	18,730,107	12,031,801
Gross profit	4,125,483	3,309,099	12,042,314	7,327,746
Operating expenses
Research and development	75,484	219,306	545,246	638,482
Selling and shipping	312,400	314,232	900,120	972,099
General and administrative	1,871,818	1,563,136	6,007,553	4,396,715
Litigation settlement	995,000		995,000
Total operating expenses	3,254,702	2,096,674	8,447,919	6,007,296
Operating income	870,781	1,212,425	3,594,395	1,320,450
Other income (expense)
Interest income	5,894	9,265	17,708	23,940
Interest expense	$ (22,042)	(27,013)	(70,907)	(83,904)
Other income		2,252	781	28,463
Total other (expense)	$ (16,148)	(15,496)	(52,418)	(31,501)
Income before income taxes	854,633	1,196,929	3,541,977	1,288,949
Income tax expense	43,550	339,000	727,759	497,193
Net income	$ 811,083	$ 857,929	$ 2,814,218	$ 791,756
Basic income per common share (in dollars per share)	$ 0.13	$ 0.14	$ 0.46	$ 0.13
Diluted income per common share (in dollars per share)	$ 0.13	$ 0.14	$ 0.45	$ 0.13
Outstanding-basic (in shares)	6,171,086	6,140,707	6,169,836	6,120,474
Net effect of potential common share issuance:
Stock options (in shares)	94,119	114,765	111,516	116,083
Outstanding-diluted (in shares)	6,265,205	6,255,472	6,281,353	6,236,557