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Inventory (Tables)
9 Months Ended
Apr. 30, 2013
Inventory, Net [Abstract]  
Schedule of Inventory, Current

 

 

 

 

 

 

 

 

 

 

 

 

 

April 30,

 

July 31,

 

2013

 

2012

Raw materials

$

423,000 

 

$

476,000 

Finished goods

 

358,000 

 

 

178,000 

 

$

781,000 

 

$

654,000