Note 7 - Earnings (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
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| Net income (loss) from continuing operations | $ 186 | $ (77) | $ 84 | $ 147 | ||
| Add: After tax effect of convertible notes interest | 4 | 4 | 12 | 12 | ||
| Income (loss) from continuing operations attributable to Common Stockholders | 190 | (73) | 96 | 159 | ||
| Income (loss) from discontinued operations, net of income taxes | 0 | 0 | 0 | 81 | ||
| Less: Noncontrolling interest in subsidiary | 0 | 0 | 0 | (66) | ||
| Income (loss) from discontinued operations attributable to Common Stockholders | 0 | 0 | 0 | 15 | ||
| Net earnings (loss) attributable for dilutive securities | $ 190 | $ (73) | $ 96 | $ 174 | ||
| Weighted average number of common shares - basic (in shares) | 493,968 | 493,968 | 493,968 | 493,968 | ||
| Shares issuable upon conversion of convertible notes payable (in shares) | [1] | 254,391 | 254,391 | 254,391 | 254,391 | |
| Weighted average number of common shares - dilutive (in shares) | 3,072,179 | 493,968 | 3,072,179 | 3,072,179 | ||
| Basic (in dollars per share) | $ 0.38 | $ (0.15) | $ 0.19 | $ 0.32 | ||
| Diluted (in dollars per share) | 0.06 | (0.15) | 0.03 | 0.05 | ||
| Basic (in dollars per share) | 0 | 0 | 0 | 0.03 | ||
| Diluted (in dollars per share) | 0 | 0 | 0 | 0 | ||
| Basic: (in dollars per share) | 0.38 | (0.15) | 0.19 | 0.35 | ||
| Diluted (in dollars per share) | $ 0.06 | $ (0.15) | $ 0.03 | $ 0.06 | ||
| Series A Preferred Stock [Member] | ||||||
| Shares issuable upon conversion of Preferred Shares (in shares) | [1] | 4,380 | 4,380 | 4,380 | 4,380 | |
| Series C Preferred Stock [Member] | ||||||
| Shares issuable upon conversion of Preferred Shares (in shares) | [1] | 2,319,440 | 2,319,440 | 2,319,440 | 2,319,440 | |
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- 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 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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- Definition Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 The amount of net income (loss) derived from continuing operations during 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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- Definition Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. 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://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. 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 Per diluted 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 Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible debt securities using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after tax, of interest recognized on convertible debt instrument excluding interest on principal required to be paid in cash. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) from continuing operations available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) from discontinued operations available to common shareholders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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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- 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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