Note 11 - Stockholders' Equity - Options Activity (Details) - $ / shares |
6 Months Ended | |
|---|---|---|
Jun. 04, 2025 |
Jun. 30, 2026 |
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| Outstanding, number of options (in shares) | 737,450 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 5.33 | |
| Granted, number of options (in shares) | 870,000 | 243,500 |
| Granted, weighted average exercise price (in dollars per share) | $ 1.63 | |
| Forfeited, number of options (in shares) | (105,350) | |
| Forfeited, weighted average exercise price (in dollars per share) | $ 4.82 | |
| Outstanding, number of options (in shares) | 875,600 | |
| Outstanding, weighted average exercise price (in dollars per share) | $ 4.36 | |
| Vested and Exercisable (in shares) | 87,100 | |
| Vested and Exercisable (in dollars per share) | $ 0.15 |
| X | ||||||||||
- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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