Note 15 - Stock-based Compensation - Summary of Share-based Compensation Arrangements (Details) |
6 Months Ended |
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Jun. 30, 2024
shares
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| Equity Incentive Plan 2016 [Member] | |
| Awards Reserved for Issuance (in shares) | 2,000,000 |
| Awards Exercised (in shares) | 0 |
| Awards Outstanding (in shares) | 2,489 |
| Awards Available for Grant (in shares) | 1,997,511 |
| Equity Incentive Plan 2018 [Member] | |
| Awards Reserved for Issuance (in shares) | 43,976,425 |
| Awards Exercised (in shares) | 40,221 |
| Awards Outstanding (in shares) | 199,961 |
| Awards Available for Grant (in shares) | 43,736,243 |
| Equity Incentive Plan 2019 [Member] | |
| Awards Reserved for Issuance (in shares) | 55,000,000 |
| Awards Exercised (in shares) | 349 |
| Awards Outstanding (in shares) | 116,752 |
| Awards Available for Grant (in shares) | 54,882,899 |
| X | ||||||||||
- Definition Number of shares exercised under share-based compensation arrangement. No definition available.
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| X | ||||||||||
- Definition Number of shares outstanding under share-based compensation arrangement. No definition available.
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| X | ||||||||||
- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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