Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES
Total revenue	$ 3,546,586	$ 4,686,445	$ 15,495,697	$ 14,147,297
Cost of sales	1,461,754	1,573,384	5,452,906	4,853,796
Gross profit	2,084,832	3,113,061	10,042,791	9,293,501
OPERATING EXPENSES
General and administrative	1,681,668	2,050,395	6,167,952	5,515,455
Research and development	323,626	310,848	996,908	931,954
Net operating expense	2,005,294	2,361,243	7,164,860	6,447,409
Income from operations	79,538	751,818	2,877,931	2,846,092
OTHER INCOME (EXPENSE)
Other income	21,032	14,813	86,508	52,410
Other expense	(3,570)	(221)	(4,542)	(4,113)
Net other income	17,462	14,592	81,966	48,297
Income before income taxes	97,000	766,410	2,959,897	2,894,389
Income tax expense	36,000	24,285	871,747	102,285
NET INCOME	$ 61,000	$ 742,125	$ 2,088,150	$ 2,792,104
Earnings per common share
Basic	$ 0.01	$ 0.09	$ 0.26	$ 0.35
Diluted	$ 0.01	$ 0.09	$ 0.25	$ 0.33
Weighted average shares outstanding
Basic	7,911,807	7,918,114	7,907,864	7,924,475
Diluted	8,247,841	8,339,283	8,256,098	8,418,463
Net Sales [Member]
REVENUES
Total revenue	$ 3,503,868	$ 4,645,593	$ 14,977,397	$ 13,902,215
Royalties/Licensing Fees [Member]
REVENUES
Total revenue	$ 42,718	$ 40,852	$ 518,300	$ 245,082