v3.22.2.2
Note 9 - Intangible Assets, Net (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

September 30, 2022

 

 

Gross

  

Accumulated

  

Intangible

 

 

Amount

  

amortization

  

assets, net

 

Patents

 $8,865  $(5,155) $3,710 

Trademarks

  50   (20)  30 

Total intangible assets

 $8,915  $(5,175) $3,740 
  

December 31, 2021

 

 

Gross

  

Accumulated

  

Intangible

 

 

Amount

  

amortization

  

assets, net

 

Patents

 $8,597  $(4,779) $3,818 

Trademarks

  35   (17)  18 

Total intangible assets

 $8,632  $(4,796) $3,836 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2023

  616 

2024

  616 

2025

  616 

2026

  616 

2027

  616 

2028

  616 

thereafter

  44 
   3,740