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Segment Reporting - Sales By Geographic Regions (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2015 | Aug. 31, 2014 | Aug. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Global Service Revenue | $ 367 | $ 362 | $ 331
Revenue, Net | 34,582 | 42,664 | 44,480
North America |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales Revenue, Goods, Net | 27,489 | 37,947 | 39,918
South America |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales Revenue, Goods, Net | 1,508 | 2,119 | 2,511
Europe |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales Revenue, Goods, Net | 4,210 | 1,594 | 1,040
Asia Pacific [Member] |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Sales Revenue, Goods, Net | $ 1,008 | $ 642 | $ 680

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