Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues
Licenses, royalties and fees	$ 175,200	$ 178,200	$ 2,005,700	$ 468,900
Product and other sales	386,200	224,200	854,800	634,500
Total revenues	561,400	402,400	2,860,500	1,103,400
Cost of revenues
Licenses, royalties and fees	35,100	23,300	84,300	71,100
Product and other sales	137,900	82,300	323,500	248,600
Total cost of revenues	173,000	105,600	407,800	319,700
Gross profit	388,400	296,800	2,452,700	783,700
Operating expenses
Research and development	38,100	36,300	111,300	109,200
Sales and marketing	74,600	67,200	313,200	187,900
General and administrative	73,400	80,400	277,600	240,000
Total operating expenses	186,100	183,900	702,100	537,100
Net income from operations	202,300	112,900	1,750,600	246,600
Other income (expenses)
Interest income	700	200	1,400	200
Interest expense, bank charges and accretion of interest	(2,600)	(3,300)	(8,300)	(22,600)
Total other income (expenses)	(1,900)	(3,100)	(6,900)	(22,400)
Net income before income taxes	200,400	109,800	1,743,700	224,200
Income taxes	199,300		199,300
Net income	$ 1,100	$ 109,800	$ 1,544,400	$ 224,200
Basic and diluted net income per common share	$ 0.00	$ 0.00	$ .03	$ 0.00
Weighted average common shares outstanding
Basic	58,616,716	58,599,016	58,616,716	58,599,016
Diluted	59,012,626	58,896,464	58,977,284	58,891,635