Note 14 - Net Income (Loss) Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 31, 2026 |
Apr. 30, 2026 |
Jul. 31, 2025 |
Apr. 30, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Income (loss) from continuing operations | $ (14,993) | $ (17,985) | $ (33,688) | $ (47,612) | ||
| Income (loss) from discontinued operations | (27,375) | (5,803) | (51,794) | (14,225) | ||
| Net income (loss) | $ (42,368) | $ (43,114) | $ (23,788) | $ (38,049) | $ (85,482) | $ (61,837) |
| Basic and diluted (in shares) | 8,988,884 | 8,567,973 | 8,901,553 | 8,448,433 | ||
| Income (loss) from continuing operations (in dollars per share) | $ (1.67) | $ (2.1) | $ (3.78) | $ (5.64) | ||
| Income (loss) from discontinued operations (in dollars per share) | (3.04) | (0.68) | (5.82) | (1.68) | ||
| Net income (loss) (in dollars per share) | $ (4.71) | $ (2.78) | $ (9.6) | $ (7.32) | ||
| X | ||||||||||
- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after tax of income (loss) from continuing operations attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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