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Note 6 - Debt (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Debt [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2023

  

2022

  

2023

  

2022

 
  

(in thousands)

 

Interest expense

 $288  $170  $807  $248 

Weighted average interest rate

  9.1%  6.3%  8.8%  5.1%