Fair Value Measurements (Tables)
6 Months Ended
Jan. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following table summarizes our financial assets and liabilities that were measured at fair value by level within the fair value hierarchy:
 
Fair Value at January 31, 2015
 
Fair Value at July 31, 2014
 
(in thousands)
 
(in thousands)
 
Total
 
Level 1
 
Total
 
Level 1
Assets
 
 
 
 
 
 
 
Cash equivalents
$
3,052

 
$
3,052

 
$
5,728

 
$
5,728

Marketable equity securities
—

 
—

 
117

 
117