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Note 6 - Impairment of Long-lived Assets (Tables) | 9 Months Ended
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Oct. 31, 2020
Notes Tables |
Schedule of Goodwill [Table Text Block] |
|  | January 31, 2020 |  |  | Foreign exchange change effect |  |  | October 31, 2020 |
Goodwill |  | $ | 2,254 |  |  | $ | (17 | ) |  | $ | 2,237 |

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