Note 7 - Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Jan. 31, 2025 |
Jan. 31, 2024 |
|
| Balance | $ 340,000 | $ 333,000 |
| Additions for tax positions for the current year | 0 | 9,000 |
| Additions for tax positions of prior years | 0 | 0 |
| Subtractions for tax positions of prior years | (9,000) | (2,000) |
| Balance | $ 331,000 | $ 340,000 |
| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|