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
Jan. 31, 2016
Jul. 31, 2015
Schedule of inventory, current [Abstract]    
Raw materials $ 1,180 $ 1,013
Work in process 1,975 2,002
Finished products 4,240 4,381
$ 7,395 $ 7,396