Note M - Segment and Geographic Data - Summary by Reporting and Operating Segments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Product sales, net	$ 10,304,711	$ 5,437,236
Operating Income (Loss)	(7,378,508)	(7,453,118)
Depreciation and Amortization	73,836	95,949
Dental	(7,118,688)	(7,471,199)
Total assets	19,809,744	19,571,450
Total Assets	19,809,744	19,571,450
Corporate, Non-Segment [Member]
Operating Income (Loss)	(5,747,713)	(4,932,062)
Depreciation and Amortization	62,172	80,360
Dental	(5,552,259)	(4,936,116)
Total assets	12,273,064	12,612,147
Total Assets	12,273,064	12,612,147
Dental Segment [Member]
Product sales, net	10,152,511	5,421,436
Dental Segment [Member] | Operating Segments [Member]
Product sales, net	10,152,511	5,421,436
Operating Income (Loss)	2,475,059	817,355
Depreciation and Amortization	4,351	9,896
Dental	2,544,730	807,770
Total assets	6,163,169	6,035,645
Total Assets	6,163,169	6,035,645
Medical Segment [Member]
Product sales, net	152,200	15,800
Medical Segment [Member] | Operating Segments [Member]
Product sales, net	152,200	15,800
Operating Income (Loss)	(4,105,854)	(3,338,411)
Depreciation and Amortization	7,313	5,693
Dental	(4,111,159)	(3,342,853)
Total assets	1,373,511	923,658
Total Assets	$ 1,373,511	$ 923,658