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Note 1 - Basis of Presentation (As Restated) (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2024 | Jul. 31, 2024 | Jul. 31, 2023 | Jan. 31, 2024
Accounts Payable, Current | $ 23,249 | $ 19,988 |  | $ 25,323
Accounts Receivable, after Allowance for Credit Loss, Current |  | 39,565 |  | $ 46,646
Net Cash Provided by (Used in) Operating Activities | (73) | 2,744 | $ 3,533 |
Net Cash Provided by (Used in) Investing Activities | (589) | (1,233) | $ (6,792) |
Revision of Prior Period, Error Correction, Adjustment [Member] |  |  |  |
Accounts Payable, Current | $ (1,400) |  |  |
Accounts Receivable, after Allowance for Credit Loss, Current |  | (400) |  |
Net Cash Provided by (Used in) Operating Activities |  | 400 |  |
Net Cash Provided by (Used in) Investing Activities |  | $ (500) |  |

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