Note 7 - Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands |
Mar. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Amortizing intangible assets, gross | $ 4,500 | $ 4,500 |
| Amortizing intangible assets, accumulated amortization | (4,500) | (4,491) |
| Amortizing intangible assets, net | 0 | 9 |
| Non-Amortizing intangible assets | 1,350 | 1,350 |
| Total Intangible Assets, gross | 5,850 | 5,850 |
| Total Intangible Assets, Net | 1,350 | 1,359 |
| Trade Names [Member] | ||
| Non-Amortizing intangible assets | 1,350 | 1,350 |
| Trademark and Patent [Member] | ||
| Amortizing intangible assets, gross | 4,500 | 4,500 |
| Amortizing intangible assets, accumulated amortization | (4,500) | (4,491) |
| Amortizing intangible assets, net | $ 0 | $ 9 |
| Trademark and Patent [Member] | Minimum [Member] | ||
| Useful life, intangible assets (Year) | 2 years | |
| Trademark and Patent [Member] | Maximum [Member] | ||
| Useful life, intangible assets (Year) | 8 years |
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before accumulated amortization of intangible assets, excluding goodwill. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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