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Note 3 - Acquisition of Amorphous Materials - Intangible Assets (Details) - USD ($) | Mar. 31, 2026 | Jan. 21, 2026 | Feb. 18, 2025
--- | --- | --- | ---
Intangible asset acquired |  |  | $ 13,752,000
Amorphous Materials, LLC (“AML”) [Member] |  |  |
Intangible asset acquired | $ 2,980,000 | $ 2,980,000 |
Order or Production Backlog [Member] |  |  |
Intangible asset acquired |  |  | $ 361,000
Intangible asset acquired, useful life (Year) | 1 year |  | 1 year
Order or Production Backlog [Member] | Amorphous Materials, LLC (“AML”) [Member] |  |  |
Intangible asset acquired |  | $ 90,000 |
Intangible asset acquired, useful life (Year) |  | 1 year |
Know-how [Member] |  |  |
Intangible asset acquired |  |  | $ 4,801,000
Intangible asset acquired, useful life (Year) |  |  | 10 years
Know-how [Member] | Amorphous Materials, LLC (“AML”) [Member] |  |  |
Intangible asset acquired |  | $ 930,000 |
Intangible asset acquired, useful life (Year) |  | 10 years |
Trade Names [Member] |  |  |
Intangible asset acquired |  |  | $ 3,450,000
Intangible asset acquired, useful life (Year) |  |  | 15 years
Trade Names [Member] | Amorphous Materials, LLC (“AML”) [Member] |  |  |
Intangible asset acquired |  | $ 390,000 |
Intangible asset acquired, useful life (Year) |  | 10 years |
Customer Relationships [Member] |  |  |
Intangible asset acquired |  |  | $ 5,140,000
Intangible asset acquired, useful life (Year) |  |  | 15 years
Customer Relationships [Member] | Amorphous Materials, LLC (“AML”) [Member] |  |  |
Intangible asset acquired |  | $ 1,570,000 |
Intangible asset acquired, useful life (Year) |  | 10 years |

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- Definition Amount of identifiable finite-lived intangible asset acquired in business combination and recognized at acquisition date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479907/805-20-50-1 + Details
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