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Note 16 - Major Customers and Related Information (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

For the Year

 
  

Ended December 31,

 
  

2021

  

2020

 

Americas

 $3,357  $1,443 

Europe, Middle East and Africa

  2,385   1,046 

Asia Pacific

  1,987   1,455 
  $7,729  $3,944