Note 1 - Description of Business (Details Textual) - $ / shares |
Sep. 30, 2022 |
Sep. 30, 2021 |
|---|---|---|
| Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.001 | $ 0.001 |
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|