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Note 7 - Intellectual Property (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

June 30, 2022

 
  

(in thousands)

 
  

Gross

Carrying

Amount

  

Accumulated

Amortization

  

Foreign

Currency

Translation

Impact

  

Net

Carrying

Amount

 

Developed technology

 $68,838  $(64,094) $(812) $3,932 

Technology and patents purchased

  400   (220)  10   190 

Total intellectual property

 $69,238  $(64,314) $(802) $4,122 
  

December 31, 2021

 
  

(in thousands)

 
  

Gross

Carrying

Amount

  

Accumulated

Amortization

  

Foreign

Currency

Translation

Impact

  

Net

Carrying

Amount

 

Developed technology

 $68,838  $(58,912) $(262) $9,664 

Technology and patents purchased

  400   (199)  27   228 

Total intellectual property

 $69,238  $(59,111) $(235) $9,892