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v3.3.1.900

Revenue by geographic areas (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
United States |  |
Revenues: (in thousands) | $ 14,343 | $ 12,840
Europe |  |
Revenues: (in thousands) | 2,698 | 2,864
Asia and rest of world |  |
Revenues: (in thousands) | 1,359 | 1,317
Total |  |
Revenues: (in thousands) | $ 18,400 | $ 17,021

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