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Note 8 - Shareholders' Equity (Tables) | 9 Months Ended
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Oct. 31, 2025
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Three Months Ended October 31, |
|  | 2025 |  |  | 2024 |
|  | Before Tax |  |  | Income Tax |  |  | Net |  |  | Before Tax |  |  | Income Tax |  |  | Net |
Balance as of beginning-of-period |  | $ | (13,972 | ) |  | $ | — |  |  | $ | (13,972 | ) |  | $ | (15,873 | ) |  | $ | — |  |  | $ | (15,873 | )
Translation adjustment |  |  | 93 |  |  |  | — |  |  |  | 93 |  |  |  | (25 | ) |  |  | — |  |  |  | (25 | )
Balance as of end-of-period |  | $ | (13,879 | ) |  | $ | — |  |  | $ | (13,879 | ) |  | $ | (15,898 | ) |  | $ | — |  |  | $ | (15,898 | )
|  | Nine Months Ended October 31, |
|  | 2025 |  |  | 2024 |
|  | Before Tax |  |  | Income Tax |  |  | Net |  |  | Before Tax |  |  | Income Tax |  |  | Net |
Balance as of beginning-of-period |  | $ | (16,918 | ) |  | $ | — |  |  | $ | (16,918 | ) |  | $ | (13,050 | ) |  | $ | — |  |  | $ | (13,050 | )
Translation adjustment |  |  | 3,039 |  |  |  | — |  |  |  | 3,039 |  |  |  | (2,848 | ) |  |  | — |  |  |  | (2,848 | )
Balance as of end-of-period |  | $ | (13,879 | ) |  | $ | — |  |  | $ | (13,879 | ) |  | $ | (15,898 | ) |  | $ | — |  |  | $ | (15,898 | )

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