Note 5 - Advances on Contracts
|6 Months Ended|
Jun. 30, 2021
|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, epidural instruments, and epidural replacements parts. The balance of the advances as of June 30, 2021 and December 31, 2020 is $1,393,817 and $414,202, respectively.