Statements of Operations - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues
Licenses, royalties and fees	$ 174,900	$ 158,800
Product and other sales	250,500	182,600
Total revenues	425,400	341,400
Cost of revenues
Licenses, royalties and fees	25,000	21,000
Product and other sales	92,200	72,200
Total cost of revenues	117,200	93,200
Gross profit	308,200	248,200
Operating expenses
Research and development	37,100	36,400
Sales and marketing	70,100	60,900
General and administrative	102,700	90,700
Total operating expenses	209,900	188,000
Net income from operations	98,300	60,200
Other income (expenses)
Interest income	400
Interest expense, bank charges and accretion of interest	(2,900)	(16,200)
Total other income (expenses)	(2,500)	(16,200)
Net income	$ 95,800	$ 44,000
Basic and diluted net income per common share	$ 0.00	$ 0.00
Weighted average common shares outstanding
Basic	58,616,716	58,599,016
Diluted	58,911,883	58,756,023