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Note 6 - Credit Facility (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Schedule of Debt [Table Text Block]
  

Three Months Ended September 30,

  

Nine Months Ended September 30,

 
  

2025

  

2024

  

2025

  

2024

 
  

(in thousands)

 

Interest expense

 $-  $77  $-  $307 

Weighted average interest rate

  0.0%  9.3%  0.0%  9.2%