Note 7 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Oct. 01, 2025 |
|
| Intangible Asset, Finite-Lived, Amortization Expense | $ 37 | $ 2 | $ 70 | $ 4 | |||
| Indefinite-Lived Trademarks | 64 | 64 | |||||
| Goodwill, Impairment Loss | 0 | 0 | $ 6,200 | ||||
| Goodwill | $ 18,475 | $ 18,460 | $ 18,475 | 18,460 | |||
| Instone Reporting Unit [Member] | |||||||
| Goodwill, Impairment Loss | 6,200 | 6,200 | |||||
| Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 31.40% | ||||||
| Goodwill | $ 17,100 | $ 17,100 | $ 19,700 | ||||
| Instone Reporting Unit [Member] | Blended Enterprise Value [Member] | |||||||
| Goodwill, Fair Value Disclosure | 28,148 | ||||||
| Instone Reporting Unit [Member] | Adjustment for Net Debt [Member] | |||||||
| Goodwill, Fair Value Disclosure | 14,632 | ||||||
| Instone Reporting Unit [Member] | Estimated Fair Value of Equity [Member] | |||||||
| Goodwill, Fair Value Disclosure | $ 13,516 | ||||||
| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value portion of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Percentage of fair value of reporting unit in excess of carrying amount. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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