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Note 12 - Leasing Arrangements - Rental Income under Operating Leases (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Total $ 3,203 $ 2,173 $ 6,421 $ 4,388
Operating Lease Income Including Water System Sales [Member]        
Minimum rentals 1,214 1,058 2,530 2,022
Percentage rentals 590 444 1,187 1,049
Licensing fees 41 36 72 69
Other 349 184 643 351
Total $ 2,194 $ 1,722 $ 4,432 $ 3,491