Quarterly report [Sections 13 or 15(d)]

Note 3 - Business Combinations (Details Textual)

v3.26.1
Note 3 - Business Combinations (Details Textual)
$ in Thousands, £ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 01, 2026
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Apr. 30, 2026
USD ($)
Apr. 30, 2025
USD ($)
Apr. 01, 2026
GBP (£)
Revenues     $ 106,796 [1] $ 93,958 [2] $ 197,357 [3] $ 180,404 [4]  
Net Income (Loss) Attributable to Parent     2,548 $ (4) 106 $ (2,643)  
Templant [Member]              
Business Combination, Consideration Transferred $ 11,100            
Cash Acquired from Acquisition 1,000            
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment 6,800            
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill 5,300            
Business Combination, Recognized Asset Acquired, Right of Use Operating Lease Asset 1,700            
Business Combination, Recognized Liability Assumed, Lease Obligation 1,700            
Business Combination, Recognized Asset Acquired, Other Asset, Current 1,300            
Business Combination, Recognized Liability Assumed, Liability 2,200            
Revenues     700        
Net Income (Loss) Attributable to Parent     100        
Business Combination, Transaction Cost, Excluding Separately Recognized Transaction   $ 300 $ 300   $ 300    
Templant [Member] | Earnout Provision [Member]              
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount | £             £ 1.9
Payment for Contingent Consideration Liability, Financing Activities   $ 0          
Templant [Member] | Trade Names, Indefinite-lived [Member]              
Intangible Asset, Indefinite-Lived, Acquired 1,000            
Templant [Member] | Customer Relationships [Member]              
Intangible Asset, Finite-Lived, Acquired $ 4,000            
Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period (Year) 15 years            
Templant [Member] | Noncompete Agreements [Member]              
Intangible Asset, Finite-Lived, Acquired $ 300            
Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period (Year) 3 years            
[1] For the three months ended April 30, 2026, intersegment revenue of approximately $30,000 is excluded from US Concrete Waste Management Services.
[2] For the three months ended April 30, 2025, intersegment revenue of $0.1 million is excluded from US Concrete Waste Management Services.
[3] For the six months ended April 30, 2026, intersegment revenue of $0.1 million is excluded from US Concrete Waste Management Services.
[4] For the six months ended April 30, 2025, intersegment revenue of $0.2 million is excluded from US Concrete Waste Management Services.