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Segment Information (Tables)
3 Months Ended
Mar. 31, 2020
Segment Reporting [Abstract]  
Schedule of net revenues by geographic region
   Three months ended
March 31, 2020
   Three months ended
March 31, 2019
 
   Amount   Percentage   Amount   Percentage 
United States  $589    46%  $1,063    53%
Japan   474    37%   600    30%
Germany   120    9%   186    9%
Switzerland   55    4%   18    1%
China   34    3%   75    4%
Taiwan   -    -%   40    2%
Other   22    1%   30    1%
   $1,294    100%  $2,012    100%
Schedule of long-lived assets by geographic region

   March 31,
2020
   December 31,
2019
 
U.S.  $2,008   $2,898 
Sweden   3,498    4,430 
Asia   94    108 
Total  $5,600   $7,436