Note E - Advances on Contracts

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Advances to Contract Manufacturer [Text Block]

NOTE E — ADVANCES ON CONTRACTS

The advances on contracts represent funding of future dental STA, and epidural inventory purchases and epidural replacements parts. The balance of the advances as of

December 31, 2020 

and

2019

 is approximately

$414,000

and

$710,000,

respectively.