Note 12 - Stock-based Compensation - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Stock based compensation | $ 376 | $ 424 |
| Selling and Marketing Expense [Member] | ||
| Stock based compensation | 52 | 64 |
| Research and Development Expense [Member] | ||
| Stock based compensation | 91 | 82 |
| General and Administrative Expense [Member] | ||
| Stock based compensation | $ 233 | $ 278 |
| 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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