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Note 9 - Leases (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Leases, Lease Income [Table Text Block]
   

Three Months Ended

September 30,

   

Nine Months Ended

September 30,

 
   

2023

   

2022

   

2023

   

2022

 

Minimum rental payments

  $ 77,685     $ 73,797     $ 229,276     $ 205,070  

Nonlease payments

    11,781       11,891       35,405       32,491  

Total

  $ 89,466     $ 85,688     $ 264,681     $ 237,561