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v3.22.2.2

Note 2 - Basis of Presentation and Immaterial Correction of Comprehensive Loss (Details Textual) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Oct. 31, 2022 | Oct. 31, 2021 | Oct. 31, 2022 | Oct. 31, 2021 | Jan. 31, 2022 | Jan. 31, 2021
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total | $ (3,542,000) | $ (2,595,000) | $ (7,584,000) | $ (9,205,000) |  |
Revision of Prior Period, Error Correction, Adjustment [Member] |  |  |  |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total | $ (688,000) |  | $ (2,000,000.0) |  | $ (2,900,000) | $ (2,300,000)

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