Annual report pursuant to Section 13 and 15(d)

Note E - Inventories - Summary of Inventories (Details)

v3.19.1
Note E - Inventories - Summary of Inventories (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Component parts and other materials $ 123,918 $ 57,652
Total inventories 1,921,051 3,379,209
Dental Segment [Member]    
Dental finished goods, net 1,609,000 2,846,272
Medical Segment [Member]    
Dental finished goods, net $ 188,133 $ 475,285