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Statements of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenues	$ 5,805,605	$ 5,211,742	$ 11,427,699	$ 10,255,528
Cost of revenues	2,695,943	2,632,031	5,405,342	5,169,537
Gross profit	3,109,662	2,579,711	6,022,357	5,085,991
Operating expenses:
Research and development	858,772	741,113	1,655,380	1,398,131
Sales and marketing	741,558	682,756	1,500,806	1,369,524
General and administrative	601,294	576,553	1,290,098	1,139,104
Total operating expenses	2,201,624	2,000,422	4,446,284	3,906,759
Operating income	908,038	579,289	1,576,073	1,179,232
Interest expense, net	(30,678)	(29,766)	(60,354)	(73,410)
Net income before income taxes	877,360	549,523	1,515,719	1,105,822
Income tax expense	(387,437)	(32,585)	(639,988)	(40,570)
Net income	$ 489,923	$ 516,938	$ 875,731	$ 1,065,252
Net income per share:
Basic	$ 0.08	$ 0.09	$ 0.15	$ 0.19
Diluted	$ 0.07	$ 0.07	$ 0.12	$ 0.16
Weighted average shares outstanding:
Basic	5,965,479	5,821,891	5,939,304	5,733,267
Diluted	7,785,868	7,474,785	7,764,795	7,158,833

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