Note 2 - Business Combination - Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 02, 2026	Feb. 23, 2026
Serpentix Conveyor, LLC [Member]
Acquired intangible assets, estimated useful life (Year)	10 years
Acquired intangible assets, fair value	$ 13,200
Serpentix Conveyor, LLC [Member] \| Customer Relationships [Member]
Acquired intangible assets, estimated useful life (Year)	8 years
Acquired intangible assets, fair value	$ 8,800
Serpentix Conveyor, LLC [Member] \| Trademarks and Trade Names [Member]
Acquired intangible assets, estimated useful life (Year)	14 years
Acquired intangible assets, fair value	$ 4,400
Boughton’s Precast, Inc. [Member] \| Customer Relationships [Member]
Acquired intangible assets, estimated useful life (Year)		6 years
Acquired intangible assets, fair value		$ 1,496

Weighted-average period of amortization for finite-lived intangible asset acquired in business combination, asset acquisition, and from joint venture formation, 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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 985
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481283/985-20-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-1

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