Note L - Segment and Geographic Data - Summary by Reporting and Operating Segments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Product sales, net	$ 9,827,444	$ 8,805,906
Operating Income (Loss)	(7,106,474)	(8,827,473)
Depreciation and Amortization	61,912	63,755
Income (loss) before taxes and equity in earnings of affiliates	(6,980,947)	(8,772,866)
Total assets	11,371,512	13,702,086
Corporate, Non-Segment [Member]
Operating Income (Loss)	(5,526,503)	(5,161,183)
Depreciation and Amortization	54,882	55,875
Income (loss) before taxes and equity in earnings of affiliates	(5,400,436)	(5,095,375)
Total assets	6,159,532	9,205,735
Dental Segment [Member]
Product sales, net	9,761,444	8,753,156
Dental Segment [Member] | Operating Segments [Member]
Product sales, net	9,761,444	8,753,156
Operating Income (Loss)	2,128,199	1,121,815
Depreciation and Amortization	4,243	3,805
Income (loss) before taxes and equity in earnings of affiliates	2,127,659	1,116,598
Total assets	4,866,786	3,875,978
Medical Segment [Member]
Product sales, net	66,000	52,750
Medical Segment [Member] | Operating Segments [Member]
Product sales, net	66,000	52,750
Operating Income (Loss)	(3,708,170)	(4,788,105)
Depreciation and Amortization	2,787	4,075
Income (loss) before taxes and equity in earnings of affiliates	(3,708,170)	(4,794,089)
Total assets	$ 345,194	$ 620,373