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Note 3 - Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2024
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(in thousands)

            
  

June 30, 2024

  

December 31, 2023

  

Input Level

 

Interest rate swaps

  1,498   1,101   2 

Contingent consideration

  (20,616)  (21,802)  3 

Cash surrender value life insurance policies

  2,887   2,424   2 
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
  December 31, 2023  Additions  Adjustments to fair market value  Payments  June 30, 2024 
Contingent consideration  $(21,802)  $-   $(8,814)  $10,000   $(20,616)