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Note 7 - Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
Jul. 01, 2023
Dec. 31, 2022
Goodwill $ 22,147 $ 22,147
Engineering [Member]    
Goodwill 11,918  
Specialty Health Care [Member]    
Goodwill 2,398  
Information Technology [Member]    
Goodwill $ 7,831