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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

X

- 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

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X

- Definition

Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-5

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