Note 12 - Net Income (Loss) per Share - Earnings per Share (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Net loss | $ (1,805,081) | $ 1,750,930 | $ (362,178) | $ (156,182) | $ (54,151) | $ (518,360) | ||
| Less: Accretion of paid-in-kind preferred dividends | (974,319) | 0 | (1,072,627) | 0 | ||||
| Undistributed loss | $ (2,779,400) | $ (362,178) | $ (1,126,778) | $ (518,360) | ||||
| Allocation to common stockholders | 100.00% | 100.00% | 100.00% | 100.00% | ||||
| Undistributed loss - common | $ (2,779,400) | $ (362,178) | $ (1,126,778) | $ (518,360) | ||||
| Distributed earnings (preferred dividends to common) | 0 | 0 | 0 | 0 | ||||
| Net loss attributable to common - basic | (2,779,400) | (362,178) | (1,126,778) | (518,360) | ||||
| Reallocation of undistributed earnings (diluted) | 0 | 0 | 0 | 0 | ||||
| Net loss attributable to common - diluted | $ (2,779,400) | $ (362,178) | $ (1,126,778) | $ (518,360) | ||||
| Weighted-average shares of common stock outstanding used in computing net loss per share of common stock, basic and diluted (in shares) | 11,019,387 | 10,517,528 | 10,904,337 | 10,431,987 | ||||
| Dilutive effect - incentive stock plan awards (in shares) | 0 | 0 | 0 | 0 | ||||
| Weighted average common shares - diluted (in shares) | 11,019,387 | 10,517,528 | 10,904,337 | 10,431,987 | ||||
| Basic (in dollars per share) | $ (0.25) | $ (0.03) | $ (0.1) | $ (0.05) | ||||
| Diluted (in dollars per share) | $ (0.25) | $ (0.03) | $ (0.1) | $ (0.05) | ||||
| Share-Based Payment Arrangement [Member] | ||||||||
| Anti-dilutive shares excluded (in shares) | [1] | 1,620,876 | 2,451,477 | 1,620,876 | 2,451,477 | |||
| Series A Preferred Stock [Member] | ||||||||
| Anti-dilutive shares excluded (in shares) | 26,749,161 | 0 | 14,918,675 | 0 | ||||
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| X | ||||||||||
- Definition Represents the percentage of undistributed earnings (loss) allocated to common stockholders during the period. No definition available.
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| 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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| X | ||||||||||
- Definition The total amount of dividends declared in the period for each class of stock and the contractual amount of dividends (or interest on participating income bonds) that must be paid for the period (for example, unpaid cumulative dividends). Dividends declared in the current period do not include dividends declared in respect of prior-period unpaid cumulative dividends. Preferred dividends that are cumulative only if earned are deducted only to the extent that they are earned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. 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; of income (loss) available to common shareholders. 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 Amount of decrease to net income for accretion of temporary equity to its redemption value to derive net income apportioned to common stockholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of undistributed earnings (loss) from continuing operations allocated to participating securities for diluted earnings (loss) per share or per unit calculation under two-class method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The earnings that is allocated to common stock and participating securities to the extent that each security may share in earnings as if all of the earnings for the period had been distributed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of undistributed earnings (loss) allocated to common stock as if earnings had been distributed. Excludes distributed earnings. 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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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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