Note 6 - Property, Plant and Equipment, Net (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Depreciation | $ 221,000 | $ 218,000 |
| Asset Impairment Charges | 5,247,000 | $ 0 |
| Facility Located at TRIC [Member] | ||
| Asset, Held-for-Sale, Not Part of Disposal Group | 9,345,000 | |
| Asset Impairment Charges | 5,247,000 | |
| Facility Located at TRIC [Member] | Fair Value, Inputs, Level 3 [Member] | ||
| Long-Lived Asset, Held-for-Sale, Fair Value Disclosure | $ 4,100,000 | |
| X | ||||||||||
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Fair value portion of assets classified as held for sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of assets held-for-sale that are not part of a disposal group. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 | ||||||||||
- Details
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| X | ||||||||||
- Details
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