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Note 10 - Equity - Share-based Compensation Expense (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Aug. 12, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Share-based compensation expense |  | $ 2,316 | $ 78 | $ 2,433 | $ 226
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |
Share-based compensation expense |  | 1,296 | 78 | 1,413 | 226
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Share-based compensation expense | $ 410 | 410 | 0 | 410 | 0
Series D Warrants [Member] |  |  |  |  |
Share-based compensation expense |  | $ 610 | $ 0 | $ 610 | $ 0

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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