Note L - Segment and Geographic Data - Summary of Operations by Geographic Area (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Product sales, net	$ 9,827,444	$ 8,805,906
Product sales, net	9,827,444	8,805,906
Dental Segment [Member]
Product sales, net	9,761,444	8,753,156
Product sales, net	9,761,444	8,753,156
Medical Segment [Member]
Product sales, net	66,000	52,750
Product sales, net	66,000	52,750
Domestic [Member]
Product sales, net	5,361,880	3,289,872
Product sales, net	5,361,880	3,289,872
Domestic [Member] | Dental Segment [Member]
Product sales, net	5,348,880	3,257,122
Product sales, net	5,348,880	3,257,122
Domestic [Member] | Medical Segment [Member]
Product sales, net	13,000	32,750
Product sales, net	13,000	32,750
Rest of World [Member]
Product sales, net	4,195,564	4,886,070
Product sales, net	4,195,564	4,886,070
Rest of World [Member] | Dental Segment [Member]
Product sales, net	4,142,564	4,866,070
Product sales, net	4,142,564	4,866,070
Rest of World [Member] | Medical Segment [Member]
Product sales, net	53,000	20,000
Product sales, net	53,000	20,000
CHINA
Product sales, net	270,000	629,964
Product sales, net	270,000	629,964
CHINA | Dental Segment [Member]
Product sales, net	270,000	629,964
Product sales, net	270,000	629,964
CHINA | Medical Segment [Member]
Product sales, net	0	0
Product sales, net	0	0
CHINA | Instruments [Member]
Product sales, net	270,000
Product sales, net	270,000
Instruments [Member] | Domestic [Member]
Product sales, net	1,003,697	532,215
Product sales, net	1,003,697	532,215
Instruments [Member] | Domestic [Member] | Dental Segment [Member]
Product sales, net	1,002,697	524,715
Product sales, net	1,002,697	524,715
Instruments [Member] | Domestic [Member] | Medical Segment [Member]
Product sales, net	1,000	7,500
Product sales, net	1,000	7,500
Instruments [Member] | Rest of World [Member]
Product sales, net	1,276,354	1,413,525
Product sales, net	1,276,354	1,413,525
Instruments [Member] | Rest of World [Member] | Dental Segment [Member]
Product sales, net	1,251,354	1,413,525
Product sales, net	1,251,354	1,413,525
Instruments [Member] | Rest of World [Member] | Medical Segment [Member]
Product sales, net	25,000	0
Product sales, net	25,000	0
Instruments [Member] | CHINA
Product sales, net		270,000
Product sales, net		270,000
Instruments [Member] | CHINA | Dental Segment [Member]
Product sales, net	270,000	270,000
Product sales, net	270,000	270,000
Instruments [Member] | CHINA | Medical Segment [Member]
Product sales, net	0	0
Product sales, net	0	0
Handpieces [Member] | Domestic [Member]
Product sales, net	4,282,898	2,679,164
Product sales, net	4,282,898	2,679,164
Handpieces [Member] | Domestic [Member] | Dental Segment [Member]
Product sales, net	4,270,898	2,653,914
Product sales, net	4,270,898	2,653,914
Handpieces [Member] | Domestic [Member] | Medical Segment [Member]
Product sales, net	12,000	25,250
Product sales, net	12,000	25,250
Handpieces [Member] | Rest of World [Member]
Product sales, net	2,873,734	3,411,748
Product sales, net	2,873,734	3,411,748
Handpieces [Member] | Rest of World [Member] | Dental Segment [Member]
Product sales, net	2,845,734	3,391,748
Product sales, net	2,845,734	3,391,748
Handpieces [Member] | Rest of World [Member] | Medical Segment [Member]
Product sales, net	28,000	20,000
Product sales, net	28,000	20,000
Handpieces [Member] | CHINA
Product sales, net		359,964
Product sales, net		359,964
Handpieces [Member] | CHINA | Dental Segment [Member]
Product sales, net	0	359,964
Product sales, net	0	359,964
Handpieces [Member] | CHINA | Medical Segment [Member]
Product sales, net	0	0
Product sales, net	0	0
Accessories [Member] | Domestic [Member]
Product sales, net	75,285	78,493
Product sales, net	75,285	78,493
Accessories [Member] | Domestic [Member] | Dental Segment [Member]
Product sales, net	75,285	78,493
Product sales, net	75,285	78,493
Accessories [Member] | Domestic [Member] | Medical Segment [Member]
Product sales, net	0
Product sales, net	0
Accessories [Member] | Rest of World [Member]
Product sales, net	45,476	60,797
Product sales, net	45,476	60,797
Accessories [Member] | Rest of World [Member] | Dental Segment [Member]
Product sales, net	45,476	60,797
Product sales, net	45,476	60,797
Accessories [Member] | Rest of World [Member] | Medical Segment [Member]
Product sales, net	0	0
Product sales, net	0	0
Accessories [Member] | CHINA
Product sales, net	0	0
Product sales, net	0	0
Accessories [Member] | CHINA | Dental Segment [Member]
Product sales, net	0	0
Product sales, net	$ 0	0
Accessories [Member] | CHINA | Medical Segment [Member]
Product sales, net		0
Product sales, net		$ 0