Note D - Inventories (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:	December 31, 2019		December 31, 2018
Dental finished goods, net	$	1,306,763	$	1,609,000
Medical finished goods, net		213,861		188,133
Component parts and other materials		99,885		123,918
Total inventories	$	1,620,509	$	1,921,051