Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details) - Schedule of inventory, current

v2.4.1.9
Inventories (Details) - Schedule of inventory, current (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2015
Jul. 31, 2014
Schedule of inventory, current [Abstract]    
Raw materials $ 1,168us-gaap_InventoryRawMaterials $ 1,092us-gaap_InventoryRawMaterials
Work in process 2,121us-gaap_InventoryWorkInProcess 2,460us-gaap_InventoryWorkInProcess
Finished products 4,689us-gaap_InventoryFinishedGoods 5,138us-gaap_InventoryFinishedGoods
$ 7,978us-gaap_InventoryNet $ 8,690us-gaap_InventoryNet