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Segment and Geographic Information - Segment Geographic Information on Revenues and Long-Lived Assets by Geographic (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Entity Wide Revenue Major Customer [Line Items] |  |
Net revenues | $ 26,120 | $ 24,039
United States and Canada |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Net revenues | 7,193 | 6,669
Europe, Middle East, and Africa |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Net revenues | 2,534 | 3,758
Asia Pacific and China |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Net revenues | 14,755 | 13,396
Mexico, Central America, and South America |  |
Entity Wide Revenue Major Customer [Line Items] |  |
Net revenues | $ 1,638 | $ 216

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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