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Note 13 - Information Concerning Product Lines, Geographic Information, Accounts Receivable and Revenue Concentration (Tables)
12 Months Ended
Jan. 01, 2023
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Fiscal Years

 
  

2022

  

2021

  

2020

 

New products

 $11,675  $7,761  $2,782 

Mature products

  4,505   4,924   5,852 

Total revenue

 $16,180  $12,685  $8,634 
  

Fiscal Years

 
  

2022

  

2021

  

2020

 

Hardware products

 $3,757  $4,903  $2,383 

eFPGA IP

  7,545   2,674   223 

SaaS & Other

  373   184   176 

Total new products revenue

 $11,675  $7,761  $2,782 
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

Fiscal Years

 
  

2022

  

2021

  

2020

 

Asia Pacific

 $3,558  $3,352  $2,100 

North America

  10,912   6,885   5,033 

Europe

  1,710   2,448   1,501 

Total revenue

 $16,180  $12,685  $8,634 
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
 

Fiscal Years

 

2022

2021

2020

Distributor "A"

15%

15%

24%

Distributor "B"

12%

22%

19%

Distributor "C"

*

11%

15%

Customer "A"

20%

*

*

Customer "B"

*

*

10%

Customer "C"

16%

16%

*

Customer "F"

12%

14%

*

Customer "H"

*

10%

*

Customer "J"

*

*

16%

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

January 1,

  

January 2,

 
  

2023

  

2022

 

Distributor "A"

  14%  42%

Distributor "B"

  *   22%

Distributor "C"

  *   17%

Customer "C"

  22%  * 

Customer "F"

  44%  10%
    %   %
    %   %