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Note 3 - Segment Information (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
  

Year Ended

  

Year Ended

 
  

December 31,

  

December 31,

 
  

2022

  

2021

 

Domestic

 $10,029  $6,675 

International (1)

  20,168   19,845 

Total

 $30,197  $26,520 

 

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
  

Year Ended

  

Year Ended

 
  

December 31,

  

December 31,

 
  

2022

  

2021

 

Customer A

  46%  54%

Customer B

  17%  12%

 

Long-lived tangible assets by geographical area

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
  

December 31,

  

December 31,

 
  

2022

  

2021

 

United States

 $2,324  $2,875 

Europe

  66    

Total

 $2,390  $2,875