Note 17 - Earnings Per Share - Allocation of Net Income (Loss) (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2022 |
Aug. 31, 2021 |
Aug. 31, 2022 |
Aug. 31, 2021 |
|
| Net income (loss) | $ (1,534) | $ (1,841) | $ (7,752) | $ (75) |
| Preferred stock dividends | 0 | 0 | 0 | (1,043) |
| Net loss available to common shareholders | $ (1,534) | $ (1,841) | $ (7,752) | $ (1,118) |
| Weighted-average number of common shares outstanding - basic and diluted (in shares) | 21,751,879 | 22,047,571 | 22,704,565 | 18,269,360 |
| Net loss per share – basic and diluted (in dollars per share) | $ (0.07) | $ (0.08) | $ (0.34) | $ (0.06) |
| 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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| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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| X | ||||||||||
- 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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