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Inventories (Details) (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2015
Aug. 31, 2014
Inventories [Abstract]    
Finished goods $ 5,552us-gaap_InventoryFinishedGoods $ 6,295us-gaap_InventoryFinishedGoods
Raw materials 58us-gaap_InventoryRawMaterials 72us-gaap_InventoryRawMaterials
Inventories $ 5,610us-gaap_InventoryNet $ 6,367us-gaap_InventoryNet