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Fair Value of Financial Instruments (Tables)
3 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Summary of Financial Assets Measured at Fair Value
The following table summarizes the Company’s financial assets measured at fair value on a recurring basis at September 30, 2013: 
 
 
Fair Value Measurements
 
 
September 30,
2013
 
Level 1
 
Level 2
 
Level 3
Assets:
 
 
 
 
 
 
 
 
U.S. Treasury bills and money market funds
 
$
27,024

 
$
27,024

 
$

 
$

Operating cash
 
13,082

 
13,082

 

 

Restricted cash
 
546

 
546

 

 

Total
 
$
40,652

 
$
40,652

 
$

 
$