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Note Payable (Tables)
12 Months Ended
Jul. 31, 2015
Note Payable [Abstract]  
Schedule of notes payable

July 31
(in thousands)
 2015  2014 
$11.0 million secured term loan due September 2015 $6,353  $6,624 
Less current portion  (6,353)  (271)
Notes payable—long term portion $  $6,353 
Schedule of future principal payments of notes payable

    
(in thousands)   
Year ending July 31:    
2016 $6,353 
2017   
2018   
2019   
2020   
Thereafter   
Total notes payable $6,353