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Note 13 - Other Income (Expense) (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
  

December 31,

 
  

2022

  

2021

 
  

(000's)

 

Interest income

 $2,360  $29 

Interest expense

     (370)

Realized gain on disposal of equipment

  70   42 

Total other income (expenses)

 $2,430  $(299)