v3.26.1
Note 13 - Business Segment Information (Details Textual)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
Number of Reportable Segments 2  
Waste Management Services [Member]    
Increase (Decrease) in Total Assets $ 0.8  
Golf and Related Operations [Member]    
Increase (Decrease) in Total Assets 2.1  
Corporate Segment [Member]    
Increase (Decrease) in Total Assets $ (2.8)  
Revenue Benchmark [Member] | Customer Concentration Risk [Member]    
Number of Major Customers 1 1
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Customer [Member]    
Concentration Risk, Percentage 11.00% 10.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Waste Management Services [Member]    
Number of Major Customers 1 1
Concentration Risk, Percentage 65.00% 60.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Waste Management Services [Member] | One Customer [Member]    
Concentration Risk, Percentage 17.00% 16.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Golf and Related Operations [Member]    
Concentration Risk, Percentage 35.00% 40.00%