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v3.10.0.1

Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 1,923 | $ 2,305 | $ 6,174 | $ 6,966
Revenues percentage | 100.00% | 100.00% | 100.00% | 100.00%
United States [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 1,101 | $ 977 | $ 3,033 | $ 3,203
Revenues percentage | 57.00% | 42.00% | 49.00% | 46.00%
Japan [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 623 | $ 771 | $ 2,119 | $ 1,666
Revenues percentage | 32.00% | 33.00% | 34.00% | 24.00%
Germany [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 195 | $ 341 | $ 604 | $ 911
Revenues percentage | 10.00% | 15.00% | 10.00% | 13.00%
China [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ (67) | $ 92 | $ 130 | $ 631
Revenues percentage | (3.00%) | 4.00% | 2.00% | 9.00%
Taiwan [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 49 | $ 43 | $ 159 | $ 137
Revenues percentage | 3.00% | 2.00% | 3.00% | 2.00%
Sweden [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues |  |  | $ 10 | $ 106
Revenues percentage |  |  |  | 2.00%
Singapore [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues |  |  |  | $ 141
Revenues percentage |  |  |  | 2.00%
Other [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 22 | $ 81 | $ 119 | $ 171
Revenues percentage | 1.00% | 4.00% | 2.00% | 2.00%

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