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Geographic area information
 12 Months Ended
Dec. 31, 2021
Geographic area information [Abstract]  
Geographic area information
14. Geographic area information

Information regarding our operations by geographic area is contained in the following table.  These amounts in the geographic area table are based on the location of the customer and asset.

   
Year Ended December 31,
  
(In thousands)
  
2021
    
2020
  
Net sales:
            
United States
  
$
32,400
    
$
24,733
  
International
    
6,986
      
5,862
  
Total
  
$
39,386
    
$
30,595
  
                 
Fixed assets, net:
                
United States
  
$
1,770
    
$
1,079
  
International
    
914
      
871
  
Total
  
$
2,684
    
$
1,950
  

Sales to international customers were 18% and 19% of total sales in 2021 and 2020, respectively.  Sales to Europe represented 53% and 45%, sales to the Pacific Rim (which includes Australia and Asia) represented 35% and 45%, and sales to Canada represented 11% and 8%  of total international sales in 2021 and 2020, respectively.  International long-lived assets consist of net fixed assets located at our foreign subsidiary in the UK as well as our contract manufacturers in China, Thailand, Malaysia and Mexico.