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v3.20.2

Segment Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 1,495 | $ 1,310 | $ 3,547 | $ 5,032
Revenues percentage | 100.00% | 100.00% | 100.00% | 100.00%
United States [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 486 | $ 548 | $ 1,340 | $ 2,510
Revenues percentage | 33.00% | 42.00% | 38.00% | 50.00%
Japan [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 395 | $ 498 | $ 1,229 | $ 1,515
Revenues percentage | 26.00% | 38.00% | 35.00% | 30.00%
Germany [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 130 | $ 106 | $ 274 | $ 477
Revenues percentage | 9.00% | 8.00% | 8.00% | 9.00%
South Korea [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 240 |  | $ 267 |
Revenues percentage | 16.00% |  | 7.00% |
China [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 154 | $ 49 | $ 203 | $ 177
Revenues percentage | 10.00% | 4.00% | 5.00% | 4.00%
Switzerland [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 54 | $ 52 | $ 161 | $ 109
Revenues percentage | 4.00% | 4.00% | 4.00% | 2.00%
Other [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues | $ 36 | $ 57 | $ 72 | $ 61
Revenues percentage | 2.00% | 3.00% | 2.00% | 1.00%
France [Member] |  |  |  |
Summary of net revenues by geographic region |  |  |  |
Total revenues |  |  |  | $ 152
Revenues percentage |  |  |  | 3.00%

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