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Statements of Income (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenues	$ 5,475,475	$ 5,102,130	$ 16,903,173	$ 15,357,658
Cost of revenues	2,429,036	2,472,315	7,834,378	7,641,852
Gross profit	3,046,439	2,629,815	9,068,795	7,715,806
Operating expenses:
Research and development	873,830	704,335	2,529,210	2,102,466
Sales and marketing	737,276	694,061	2,238,081	2,063,585
General and administrative	659,575	513,114	1,949,673	1,652,218
Total operating expenses	2,270,681	1,911,510	6,716,964	5,818,269
Operating income	775,758	718,305	2,351,831	1,897,537
Interest expense, net	(20,892)	(28,970)	(81,246)	(102,380)
Net income before income taxes	754,866	689,335	2,270,585	1,795,157
Income tax expense	(340,765)	(20,285)	(980,754)	(60,855)
Net income	$ 414,101	$ 669,050	$ 1,289,831	$ 1,734,302
Net income per share:
Basic	$ 0.07	$ 0.11	$ 0.21	$ 0.30
Diluted	$ 0.06	$ 0.10	$ 0.19	$ 0.25
Weighted average shares outstanding:
Basic	6,261,460	5,842,609	6,047,869	5,769,981
Diluted	7,129,633	7,281,545	6,936,210	7,181,588

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