Note 16 - Net Loss Per Share - Share/Unit Totals With Potentially Dilutive Impact (Details) - shares shares in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 31, 2023 |
Oct. 31, 2022 |
Oct. 31, 2023 |
Oct. 31, 2022 |
|
| Common stock underlying warrants (in shares) | 4,263 | 4,059 | 4,011 | 3,993 |
| Warrant [Member] | ||||
| Common stock underlying warrants (in shares) | 3,098 | 3,098 | 3,098 | 3,098 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Common stock underlying warrants (in shares) | 99 | 116 | 107 | 133 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Common stock underlying warrants (in shares) | 1,066 | 845 | 806 | 762 |
| X | ||||||||||
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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