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
Oct. 31, 2013
Jul. 31, 2013
Schedule of inventory, current [Abstract]    
Raw materials $ 1,092 $ 922
Work in process 2,675 2,628
Finished products 5,340 5,255
$ 9,107 $ 8,805