Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Advances on Contracts

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Note 5 - Advances on Contracts
3 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Advances to Contract Manufacturer [Text Block]
NOTE
5
 — ADVANCES ON CONTRACTS
 
The advances on contracts represent funding of future STA inventory purchases and epidural replacements parts. The balance of the advances as of
March 31, 2019
and
December 31, 2018
is approximately  
$530,000
and
$649,000
respectively. The advance is classified as current based on the estimated annual usage of the underlying inventory.