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Note 6 - Impairment of Long-lived Assets (Tables) | 6 Months Ended
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Jul. 31, 2021
Notes Tables |
Schedule of Goodwill [Table Text Block] |
(In thousands) |  |  | January 31, 2021 |  |  |  | Foreign exchange change effect |  |  |  | July 31, 2021 |
Goodwill |  | $ | 2,332 |  |  | $ | 56 |  |  | $ | 2,388 |

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