Note 2 - Summary of Significant Accounting Policies - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
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| Total potential dilutive securities (in shares) | [1] | 20,041,269 | 6,605,262 | 14,434,743 | 6,481,403 | |
| Restricted Stock Units (RSUs) [Member] | ||||||
| Total potential dilutive securities (in shares) | 8,443,517 | 6,181,141 | 8,350,321 | 5,770,715 | ||
| Share-Based Payment Arrangement, Option [Member] | ||||||
| Total potential dilutive securities (in shares) | 0 | 417,749 | 0 | 704,316 | ||
| Warrant [Member] | ||||||
| Total potential dilutive securities (in shares) | 11,597,752 | 6,372 | 6,084,422 | 6,372 | ||
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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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