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Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenues	$ 4,192,331	$ 5,805,605	$ 8,173,386	$ 11,427,699
Cost of revenues	2,060,284	2,695,943	3,977,070	5,405,342
Gross profit	2,132,047	3,109,662	4,196,316	6,022,357
Operating expenses:
Research and development	917,067	858,772	1,863,813	1,655,380
Sales and marketing	733,839	741,558	1,471,695	1,500,806
General and administrative	625,109	601,294	1,289,813	1,290,098
Total operating expenses	2,276,015	2,201,624	4,625,321	4,446,284
Operating income (loss)	(143,968)	908,038	(429,005)	1,576,073
Interest expense, net	(47,981)	(30,678)	(67,900)	(60,354)
Net income (loss) before income taxes	(191,949)	877,360	(496,905)	1,515,719
Income tax benefit (expense)	53,707	(387,437)	133,634	(639,988)
Net income (loss)	$ (138,242)	$ 489,923	$ (363,271)	$ 875,731
Net income (loss) per share:
Basic	$ (0.02)	$ 0.08	$ (0.06)	$ 0.15
Diluted	$ (0.02)	$ 0.07	$ (0.06)	$ 0.12
Weighted average shares outstanding:
Basic	5,880,296	5,965,479	6,309,816	5,939,304
Diluted	5,880,296	7,785,868	6,309,816	7,764,795

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