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9. SEGMENT AND GEOGRAPHIC INFORMATION (Details) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2017 USD ($) segment | Jun. 30, 2016 USD ($)
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | $ 10,687 | $ 12,946
Number of reportable business segments | segment | 1 |
United States |  |
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | $ 4,705 | 4,825
China |  |
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | 1,350 | 3,232
Singapore |  |
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | 2,202 | 3,295
Netherlands |  |
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | 1,202 | 379
Rest of the world |  |
Net revenues and long-lived assets by geographic area |  |
Revenue, Net | $ 1,228 | $ 1,215

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