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Note 6 - Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
  

Amount

 

Annual Fiscal Years

    

2024

 $107 

2025

  107 

2026

  107 

2027

  107 

2028

  109 

Total

 $537 
Sensi ML [Member]  
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

December 31, 2023

 
  

Remaining Useful Life

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Developed technology

  5  $959  $(480) $479 

Customer relationships

     81   (81)   

Trade names and trademarks

  5   116   (58)  58 

Total acquired identifiable intangible assets

     $1,156  $(619) $537 
  

January 1, 2023

 
  

Remaining Useful Life

  

Gross Carrying Amount

  

Accumulated Amortization

  

Net Carrying Amount

 

Developed technology

  6  $959  $(383) $576 

Customer relationships

     81   (81)   

Trade names and trademarks

  6   116   (47)  69 

Total acquired identifiable intangible assets

     $1,156  $(511) $645