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Note 6 - Other Income, Net (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
  

2023

  

2022

 
         

Gain on sale of building asset

  (4,351)  - 

Other income

  (1,459)  (146)
  $(5,810) $(146)