Note M - Segment and Geographic Data (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Years Ended December 31,
Sales
Net Sales:	2020		2019
Dental	$	5,421,436	$	8,336,901
Medical		15,800		37,600
Total net sales	$	5,437,236	$	8,374,501

Operating Income (Loss):	2020			2019
Dental	$	817,355		$	2,775,730
Medical		(3,338,411	)		(2,350,103	)
Corporate		(4,932,062	)		(4,424,620	)
Total operating loss	$	(7,453,118	)	$	(3,998,993	)

Depreciation and Amortization:	2020		2019
Dental	$	9,896	$	15,793
Medical		5,693		8,392
Corporate		80,360		76,323
Total depreciation and amortization	$	95,949	$	100,508

Income (loss) before taxes and equity in earnings of affiliates:	2020			2019
Dental	$	807,770		$	2,774,359
Medical		(3,342,853	)		(2,353,194	)
Corporate		(4,936,116	)		(8,064,603	)
Total loss before taxes and equity in earnings of affiliate	$	(7,471,199	)	$	(7,643,438	)

Total Assets	2020		2019
Dental	$	6,035,645	$	5,008,324
Medical		923,658		590,727
Corporate		12,612,147		957,238
Total loss before taxes and equity in earnings of affiliate	$	19,571,450	$	6,556,289

Sales by Product and by Geographical Region [Table Text Block]

Total Product Sales-Dental	2020		2019
Domestic-US	$	2,118,186	$	4,512,904
International Rest of World		3,225,850		3,665,347
International-China		77,400		158,650
Total Product Sales-Dental	$	5,421,436	$	8,336,901
Total Product Sales-Medical
Domestic-US	$	2,000	$	13,700
International Rest of World		13,800		23,900
International-China		-		-
Total Product Sales-Medical	$	15,800	$	37,600
Domestic-US and Canada	$	2,120,186	$	4,526,604
International Rest of World		3,239,650		3,689,247
International-China		77,400		158,650
Total	$	5,437,236	$	8,374,501