Note 1 - Description of Business and Basis of Presentation (Details Textual) |
Sep. 29, 2023
$ / shares
|
Jan. 31, 2024
$ / shares
|
Jan. 31, 2023
$ / shares
|
|---|---|---|---|
| Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001 |
| Reverse Stock Split [Member] | |||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 20 |
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|