Note 5 - Stock Incentive Plan - Schedule of Option Grants and Fair Value (Details) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Stock options granted (in shares) | 68,592 | 0 | 78,592 | 508,902 |
| Weighted-average grant date fair value per share (in dollars per share) | $ 0.51 | $ 0 | $ 0.48 | $ 2.38 |
| Fair value of shares vested | $ 181,084 | $ 305,087 | $ 359,734 | $ 528,360 |
| X | ||||||||||
- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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