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Note 14 - Information Concerning Product Lines, Geographic Information, and Revenue Concentration (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Fiscal Years

 
  

2023

  

2022

  

2021

 

New products

 $18,211  $11,675  $7,761 

Mature products

  2,987   4,505   4,924 

Total revenue

 $21,198  $16,180  $12,685 
  

Fiscal Years

 
  

2023

  

2022

  

2021

 

Hardware products

 $1,230  $3,757  $4,903 

eFPGA IP

  16,839   7,545   2,674 

SaaS & Other

  142   373   184 

Total new products revenue

 $18,211  $11,675  $7,761 
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

Fiscal Years

 
  

2023

  

2022

  

2021

 

Asia Pacific

 $1,965  $3,558  $3,352 

North America

  18,644   10,912   6,885 

Europe

  589   1,710   2,448 

Total revenue

 $21,198  $16,180  $12,685 
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
  

Fiscal Years

 
  

2023

  

2022

  

2021

 

Distributor "A"

  *   15%  15%

Distributor "B"

  *   12%  22%

Distributor "C"

  *   *   11%

Customer "A"

  70%  20%  * 

Customer "C"

  *   16%  16%

Customer "F"

  *   12%  14%

Customer "H"

  *   *   10%
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
  

December 31,

  

January 1,

 
  

2023

  

2023

 

Distributor "A"

  *   14%

Customer "A"

  86%  * 

Customer "C"

  *   22%

Customer "F"

  *   44%
        %
        %