Note M - Segment and Geographic Data - Summary by Reporting and Operating Segments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Product sales, net	$ 8,805,906	$ 10,304,711
Operating Income (Loss)	(8,827,473)	(7,378,508)
Depreciation and Amortization	63,755	73,836
Income (loss) before taxes and equity in earnings of affiliates	(8,772,866)	(7,118,688)
Total assets	13,702,086	19,809,744
Corporate, Non-Segment [Member]
Operating Income (Loss)	(5,161,183)	(5,747,713)
Depreciation and Amortization	55,875	62,172
Income (loss) before taxes and equity in earnings of affiliates	(5,095,375)	(5,552,259)
Total assets	9,205,735	12,273,064
Dental Segment [Member]
Product sales, net	8,753,156	10,152,511
Dental Segment [Member] | Operating Segments [Member]
Product sales, net	8,753,156	10,152,511
Operating Income (Loss)	1,121,815	2,475,059
Depreciation and Amortization	3,805	4,351
Income (loss) before taxes and equity in earnings of affiliates	1,116,598	2,544,730
Total assets	3,875,978	6,163,169
Medical Segment [Member]
Product sales, net	52,750	152,200
Medical Segment [Member] | Operating Segments [Member]
Product sales, net	52,750	152,200
Operating Income (Loss)	(4,788,105)	(4,105,854)
Depreciation and Amortization	4,075	7,313
Income (loss) before taxes and equity in earnings of affiliates	(4,794,089)	(4,111,159)
Total assets	$ 620,373	$ 1,373,511