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Segment Information (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total $ 9,510 $ 13,242
U.S. [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total 4,490 2,828
Sweden [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total 4,929 10,308
Asia [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total $ 91 $ 106