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Note 1 - Description of Business and Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Year Ended December 31,

 
  

2022

  

2021

 

Weighted average common shares outstanding, basic

  20,449   16,640 

Dilutive potential common shares

      

Weighted average common shares outstanding, diluted

  20,449   16,640