Note D - Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:	December 31, 2020		December 31, 2019
Dental finished goods, net	$	1,888,141	$	1,306,763
Medical finished goods, net		200,327		213,861
Component parts and other materials		331,711		99,885
Total inventories	$	2,420,179	$	1,620,509