Note 4 - Inventories (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31, 2020		December 31, 2019
Inventories consist of the following:
Dental finished goods, net	$	1,408,967	$	1,306,763
Medical finished goods, net		220,999		213,861
Component parts and other materials		92,859		99,885
Total inventories	$	1,722,825	$	1,620,509