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Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Summary of net revenues by geographic region        
Total revenues $ 2,329 $ 2,574 $ 4,661 $ 5,706
Revenues percentage 100.00% 100.00% 100.00% 100.00%
Americas [Member]        
Summary of net revenues by geographic region        
Total revenues $ 1,094 $ 1,343 $ 2,261 $ 3,349
Revenues percentage 47.00% 52.00% 48.00% 59.00%
Asia [Member]        
Summary of net revenues by geographic region        
Total revenues $ 828 $ 489 $ 1,662 $ 1,049
Revenues percentage 36.00% 19.00% 36.00% 18.00%
Europe [Member]        
Summary of net revenues by geographic region        
Total revenues $ 407 $ 742 $ 738 $ 1,308
Revenues percentage 17.00% 29.00% 16.00% 23.00%