Note 8 - Paycheck Protection Program Loan (Details Textual) - USD ($) |
1 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|---|
Sep. 07, 2021 |
May 06, 2020 |
Feb. 28, 2021 |
Dec. 21, 2021 |
Feb. 28, 2021 |
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Proceeds from Notes Payable, Total | $ 0 | $ 713,542 | |||||
| Gain (Loss) on Extinguishment of Debt, Total | 693,817 | $ 0 | |||||
| Paycheck Protection Program CARES Act [Member] | |||||||
| Proceeds from Notes Payable, Total | $ 381,000 | $ 332,542 | $ 713,542 | ||||
| Gain (Loss) on Extinguishment of Debt, Total | $ 361,275 | 693,817 | |||||
| Paycheck Protection Program CARES Act [Member] | Loans Payable [Member] | |||||||
| Gain (Loss) on Extinguishment of Debt, Total | $ 332,542 | ||||||
| PPP Term Loan One [Member] | |||||||
| Loans Payable, Total | $ 19,725 | $ 17,035 | |||||
| Debt Instrument, Interest Rate, Stated Percentage | 1.00% | ||||||