Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details) - Schedule of inventory, current

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Inventories (Details) - Schedule of inventory, current (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2014
Jul. 31, 2013
Schedule of inventory, current [Abstract]    
Raw materials $ 1,154 $ 922
Work in process 2,638 2,628
Finished products 5,428 5,255
$ 9,220 $ 8,805