Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Accounts Receivable, Allowance for Credit Loss, Current | $ 104 | $ 104 | $ 104 | ||
| Prepaid Inventory | 290 | 290 | 163 | ||
| Inventory Valuation Reserves | 596 | 596 | $ 576 | ||
| Depreciation | $ 65 | $ 130 | 71 | $ 139 | |
| Impairment, Long-Lived Asset, Held-for-Use | $ 0 | ||||
| Minimum [Member] | |||||
| Property, Plant and Equipment, Useful Life (Year) | 3 years | 3 years | |||
| Maximum [Member] | |||||
| Property, Plant and Equipment, Useful Life (Year) | 40 years | 40 years | |||
| X | ||||||||||
- Definition Amount of prepaid inventory. No definition available.
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| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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