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Note 6 - Goodwill and Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

September 30, 2021

  

December 31, 2020

 
  

Gross Carrying Amount

  

Accumulated Amortization

  

Total

  

Gross Carrying Amount

  

Accumulated Amortization

  

Total

 

Customer Relationships

 $28,300  $(28,103) $197  $28,300  $(26,324) $1,976 

Intellectual Property

  18,135   (9,576)  8,559   13,860   (7,939)  5,921 

Total intangible assets

 $46,435  $(37,679) $8,756  $42,160  $(34,263) $7,897