Note 9 - Net Loss Per Share Attributable to Common Shareholders - Computed Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Net loss | $ (468) | $ (432) | $ (86) | $ (789) | $ (730) | $ (634) | $ (986) | $ (2,153) |
| Redemption of Series C Convertible Preferred Stock | 0 | 0 | 0 | (331) | ||||
| Net loss applicable to common shareholders | $ (468) | $ (789) | $ (986) | $ (2,484) | ||||
| Basic (in shares) | 12,145,676 | 11,945,350 | 12,091,047 | 10,956,127 | ||||
| Options (in shares) | 0 | 0 | 0 | 0 | ||||
| Warrants (in shares) | 0 | 0 | 0 | 0 | ||||
| Unvested restricted stock (in shares) | 0 | 0 | 0 | 0 | ||||
| Weighted-average shares outstanding for diluted earnings per share (in shares) | 12,145,676 | 11,945,350 | 12,091,047 | 10,956,127 | ||||
| Basic net loss per share (in dollars per share) | $ (0.04) | $ (0.07) | $ (0.08) | $ (0.23) | ||||
| Diluted net loss per share (in dollars per share) | $ (0.04) | $ (0.07) | $ (0.08) | $ (0.23) | ||||
| X | ||||||||||
- Definition The incremental common shares attributable to dilutive effect of unvested restricted stock. No definition available.
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| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of warrants. No definition available.
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| X | ||||||||||
- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of options. No definition available.
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| X | ||||||||||
- Definition Amount of redemption allocation of convertible preferred stock. No definition available.
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| 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 amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units 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://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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