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Note 4 - Goodwill (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Goodwill [Table Text Block]

Goodwill, December 31, 2021

 $53,684 

Measurement period adjustment (Note 2)

  1,820 

Goodwill, September 30, 2022

 $55,504