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Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Summary of net revenues by geographic region                              
Net revenues $ 2,963 $ 3,113 $ 2,776 $ 2,263 $ 1,735 $ 1,126 $ 865 $ 1,014 $ 1,009 $ 1,076 $ 1,084 $ 548 $ 11,115 $ 4,740 $ 3,717
Revenues percentage                         100.00% 100.00% 100.00%
U.S. [Member]                              
Summary of net revenues by geographic region                              
Net revenues                         $ 6,177 $ 2,833 $ 1,896
Revenues percentage                         56.00% 60.00% 51.00%
Europe [Member]                              
Summary of net revenues by geographic region                              
Net revenues                         $ 2,987 $ 228 $ 308
Revenues percentage                         27.00% 5.00% 9.00%
Asia [Member]                              
Summary of net revenues by geographic region                              
Net revenues                         $ 1,951 $ 1,679 $ 1,513
Revenues percentage                         17.00% 35.00% 40.00%