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Note 16 - Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Expected Benefit Payments [Table Text Block]

(in thousands)

       

2020

  $ 84  

2021

     

2022

     

2023

     

2024

    137  

Beyond 2024

    3,141  
         

Total future payments

  $ 3,362