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Note 3 - Goodwill and Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Goodwill [Table Text Block]

(in thousands)

    

Carrying amount at December 31, 2022

 $56,260 

Effect of change in currency translation

  (38)

Carrying amount at September 30, 2023

 $56,222 
Schedule of Intangible Assets and Goodwill [Table Text Block]
      

September 30, 2023

  

December 31, 2022

 

(in thousands)

 

Average

      

Accumulated

          

Accumulated

     

Amortizable intangible assets:

 

Life*

  

Gross

  

Amortization

  

Net

  

Gross

  

Amortization

  

Net

 

Distribution agreements/customer relationships

  6  $16,017  $(9,467) $6,550  $16,124  $(8,727) $7,397 

Existing technology & software development

  2   37,490   (28,851)  8,639   37,549   (26,482)  11,067 

Trade names and patents

  3   7,484   (5,774)  1,710   7,523   (5,197)  2,326 

Total amortizable intangible assets

     $60,991  $(44,092) $16,899  $61,196  $(40,406) $20,790 

Indefinite-lived intangible assets:

              196           224 

Total intangible assets

             $17,095          $21,014 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

(in thousands)

    

2023 (remainder of the year)

 $1,383 

2024

  5,234 

2025

  4,019 

2026

  2,358 

2027

  1,261 

2028

  1,308 

Thereafter

  1,336 

Total

 $16,899