Note 3 - Summary of Significant Accounting Policies (Details Textual) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Sep. 30, 2025
USD ($)
|
Sep. 30, 2024
USD ($)
|
Dec. 31, 2024
USD ($)
|
|
| Accounts Receivable, Allowance for Credit Loss, Current | $ 104 | $ 104 | $ 104 | ||
| Construction Contractor, Receivable, Retainage | 162 | 162 | 0 | ||
| Prepaid Inventory | 219 | 219 | 163 | ||
| Inventory Valuation Reserves | 608 | 608 | $ 576 | ||
| Depreciation | $ 63 | $ 192 | $ 71 | $ 209 | |
| Goodwill, Reporting Unit, Number | 2 | ||||
| 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.
|
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of right to consideration in exchange for good or service transferred to customer withheld under retainage provision in long-term contract or program when right to consideration is unconditional. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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
|
| 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
|
| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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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