Note 7 - Intangible Assets, Net (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  December 31,  
  

2021

  

2020

 

Amortizable intangible assets:

        

Patents

 $416  $280 

Trademarks

  134   84 

Software

  1,212   662 

Other

  50   50 
   1,812   1,076 

Accumulated amortization

  (174)  (23)

Total amortizable

  1,638   1,053 

Indefinite life assets (non-amortizable)

  344   344 

Total intangible assets, net

 $1,982  $1,397 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2022

 $261 

2023

  256 

2024

  256 

2025

  251 

2026

  164 

Thereafter

  450 

Total estimated amortization expense

 $1,638