Note 12 - Stockholders' Equity - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Stock-based compensation expense | $ 701 | $ 774 |
| Cost of Sales [Member] | ||
| Stock-based compensation expense | 8 | 86 |
| Research and Development Expense [Member] | ||
| Stock-based compensation expense | 38 | 20 |
| General and Administrative Expense [Member] | ||
| Stock-based compensation expense | $ 655 | $ 668 |
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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