Quarterly report [Sections 13 or 15(d)]

Note 13 - Net Income (Loss) Per Share (Details Textual)

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Note 13 - Net Income (Loss) Per Share (Details Textual) - shares
shares in Thousands
 3 Months Ended 9 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) 0 0 0 0