Note 8 - Stock-based Incentive Plans - Share-Based Payment Arrangement, Expensed and Capitalized, Amount (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Stock options | $ 571,000 | $ 411,000 |
| Share-Based Payment Arrangement, Expense | 2,311,000 | 1,289,000 |
| Warrants | 38,000 | 0 |
| Restricted stock units | 1,702,000 | 878,000 |
| Total noncash stock compensation expense | 2,311,000 | 1,289,000 |
| Selling and Marketing Expense [Member] | ||
| Share-Based Payment Arrangement, Expense | 460,000 | 488,000 |
| Total noncash stock compensation expense | 460,000 | 488,000 |
| Research and Development Expense [Member] | ||
| Share-Based Payment Arrangement, Expense | 22,000 | 30,000 |
| Total noncash stock compensation expense | 22,000 | 30,000 |
| General and Administrative Expense [Member] | ||
| Share-Based Payment Arrangement, Expense | 1,829,000 | 771,000 |
| Total noncash stock compensation expense | $ 1,829,000 | $ 771,000 |
| X | ||||||||||
- Definition Amount of noncash expense for award of warrants under share-based payment arrangement. No definition available.
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| 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 | ||||||||||
- Definition Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of noncash expense for option under share-based payment arrangement. 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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