Note 6 - Property and Equipment, Net (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Mar. 31, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Depreciation | $ 197,000 | $ 229,000 | $ 618,000 | $ 682,000 | ||
| Proceeds from Sale of Property, Plant, and Equipment | 4,382,000 | 15,000 | ||||
| Gain Loss on Sale of Property, Plant and Equipment, Excluding Amount in Cost of Good Sold | $ (25,000) | $ (448,000) | $ (3,790,000) | (9,037,000) | $ (448,000) | |
| Equipment [Member] | ||||||
| Proceeds from Sale of Property, Plant, and Equipment | 318,000 | |||||
| Facility Located at TRIC [Member] | ||||||
| Asset Impairment Charges | $ 5,247,000 | |||||
| Proceeds from Sale of Property, Plant, and Equipment | $ 4,064,000 | |||||
| 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 The amount of gain loss on sale of property, plant and equipment, excluding the amount included in cost of good and services sold. No definition available.
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| 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 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 The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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