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Note 8 - Intangible Assets- Intangible Assets Acquired (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2025 USD ($)
M.L.C. Plumbing, LLC [Member]
Total Intangibles	$ 3,600
M.L.C. Plumbing, LLC [Member] | Trade Names [Member]
Indefinite lived intangible assets acquired	3,100
Roundhouse Electric & Equipment Co. Inc. [Member]
Total Intangibles	12,220
Roundhouse Electric & Equipment Co. Inc. [Member] | Trade Names [Member]
Indefinite lived intangible assets acquired	1,220
Advanced Plumbing and Drain [Member]
Total Intangibles	2,700
Advanced Plumbing and Drain [Member] | Trade Names [Member]
Indefinite lived intangible assets acquired	1,600
Southside Plumbing [Member]
Total Intangibles	2,100
Southside Plumbing [Member] | Trade Names [Member]
Indefinite lived intangible assets acquired	1,100
Customer Relationships [Member] | M.L.C. Plumbing, LLC [Member]
Finite lived intangible assets acquired	$ 500
Amortization Period (Year)	6 years
Customer Relationships [Member] | Roundhouse Electric & Equipment Co. Inc. [Member]
Finite lived intangible assets acquired	$ 11,000
Amortization Period (Year)	12 years
Customer Relationships [Member] | Advanced Plumbing and Drain [Member]
Finite lived intangible assets acquired	$ 1,100
Amortization Period (Year)	9 years
Customer Relationships [Member] | Southside Plumbing [Member]
Finite lived intangible assets acquired	$ 1,000
Amortization Period (Year)	9 years

X

- Definition

Represents the amount of finite and infinite intangible assets acquired during the period.

+ References

No definition available.

+ Details

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X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: 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

Reference 2: 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

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X

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 805
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478072/944-805-50-1

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

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X

- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

+ References

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

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482665/350-30-50-2

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- Details

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