Note 5 - Property and Equipment - Property and Equipment (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, plant, and equipment, gross | $ 1,206 | $ 1,059 |
| Accumulated depreciation | (1,033) | (1,022) |
| Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization | 173 | 37 |
| Machinery and Equipment [Member] | ||
| Property, plant, and equipment, gross | $ 41 | 41 |
| Property, plant, and equipment, useful life (Year) | 5 years | |
| Trade Show Booth [Member] | ||
| Property, plant, and equipment, gross | $ 202 | 202 |
| Property, plant, and equipment, useful life (Year) | 5 years | |
| Office Equipment [Member] | ||
| Property, plant, and equipment, gross | $ 697 | 550 |
| Property, plant, and equipment, useful life (Year) | 5 years | |
| Leasehold Improvements [Member] | ||
| Property, plant, and equipment, gross | $ 266 | $ 266 |
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- Definition Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after accumulated depreciation, depletion, and amortization, of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Useful life of property, plant, and equipment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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