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v2.4.0.6
Fair Value Measurements (Tables)
3 Months Ended
Aug. 31, 2012
Fair Value Measurements [Abstract]  
Financial assets or liabilities are measured at fair value on a recurring or nonrecurring basis

In accordance with the fair value hierarchy, the following table shows the fair value as of August 31, 2012 and May 31, 2012, of those financial assets that are measured at fair value on a recurring basis, according to the valuation techniques the Company used to determine their fair market value.

                                 
    Quoted
prices in
active
markets
(level 1)
    Other
observable
inputs
(level 2)
    Unobservable
inputs (level 3)
    Fair value  

August 31, 2012

                               

Investments

                               

CD’s and money market accounts

  $ 1,356     $ 1,164     $ —       $ 2,520  

US treasury bills and notes

    9,997       —         —         9,997  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total assets at fair value

  $ 11,353     $ 1,164     $ —       $ 12,517  
   

 

 

   

 

 

   

 

 

   

 

 

 

May 31, 2012

                               

Investments

                               

CD’s and money market accounts

  $ 1,831     $ 419     $ —       $ 2,250  

US treasury bills and notes

    14,255       —         —         14,255  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total assets at fair value

  $ 16,086     $ 419     $ —       $ 16,505