Segment Reporting - Sales By Geographic Regions (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue, Net	$ 30,347	$ 34,582	$ 42,664
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales Revenue, Goods, Net	23,276	27,821	38,287
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales Revenue, Goods, Net	1,847	1,529	2,133
Europe, the Middle East and Africa (EMEA)
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales Revenue, Goods, Net	4,166	4,221	1,602
Asia Pacific (APAC)
Revenues from External Customers and Long-Lived Assets [Line Items]
Sales Revenue, Goods, Net	$ 1,058	$ 1,011	$ 642