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Net Revenue by Geography (Tables)
12 Months Ended
Dec. 31, 2020
Segment Reporting [Abstract]  
Schedule of net revenue, classified by the major geographic areas
Net revenue, classified by the major geographic areas in which our customers are located, was as follows (in thousands):
 
    
Year Ended
December 31,
 
    
2020
    
2019
 
United States
   $ 259      $ 1,273  
All other countries
             
  
 
 
    
 
 
 
Net revenue
   $ 259      $ 1,273