v3.26.1
Note 5 - Revenues - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Revenue from Contract with Customer, Excluding Assessed Tax $ 83,545 $ 83,795
Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 83,545 83,795
Waste Management Services [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 46,010 45,922
Waste Management Services [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 46,010 45,922
Waste Management Services [Member] | Waste Brokerage And Management Services Member | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 42,741 42,862
Waste Management Services [Member] | Captive Landfill Management Operations [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 3,269 3,060
Golf and Related Operations [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 37,535 37,873
Golf and Related Operations [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 37,535 37,873
Golf and Related Operations [Member] | Food and Beverage [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 13,247 13,537
Golf and Related Operations [Member] | Food and Beverage [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 13,247 13,537
Golf and Related Operations [Member] | Membership Dues [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 7,233 7,430
Golf and Related Operations [Member] | Room Rental [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 7,392 7,227
Golf and Related Operations [Member] | Green Fees and Cart Rental [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 3,338 3,336
Golf and Related Operations [Member] | Salon and Spa Services [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 3,673 3,763
Golf and Related Operations [Member] | Fitness and Tennis Lesson [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax 230 321
Golf and Related Operations [Member] | Other Revenue [Member] | Operating Segments [Member]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 2,422 $ 2,259