Note 5 - Debt (Details Textual) - USD ($) |
1 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|
May 01, 2021 |
Jun. 26, 2020 |
Apr. 17, 2020 |
Feb. 28, 2018 |
May 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Proceeds from Notes Payable, Total | $ 50,000 | $ 170,200 | |||||
| Repayments of Notes Payable | 27,864 | 11,880 | |||||
| Gain (Loss) on Extinguishment of Debt, Total | $ 172,056 | ||||||
| Convertible Debentures [Member] | |||||||
| Debt Instrument, Face Amount | $ 1,200,000 | ||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 120,000 | ||||||
| Proceeds from Convertible Debt, Gross | $ 1,050,000 | ||||||
| Paycheck Protection Program CARES Act [Member] | |||||||
| Proceeds from Notes Payable, Total | $ 170,200 | ||||||
| Extinguishment of Debt, Amount | $ 170,200 | ||||||
| Gain (Loss) from Interest Forgiven | 1,856 | ||||||
| Gain (Loss) on Extinguishment of Debt, Total | $ 172,056 | ||||||
| Senior Notes [Member] | |||||||
| Debt Instrument, Term (Year) | 5 years | ||||||
| Debt Instrument, Interest Rate, Stated Percentage | 5.00% | ||||||
| Repayments of Notes Payable | $ 22,737 | ||||||