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Fair Value Measurements (Tables)
12 Months Ended
Mar. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of assets and liabilities measured at fair value
         
Fair Value Measurement at March 31, 2015 Using
 
         
Quoted Prices
   
Significant
       
         
in Active
   
Other
   
Significant
 
         
Markets for
   
Observable
   
Unobservable
 
   
March 31,
   
Identical Assets
   
Inputs
   
Inputs
 
   
2015
   
(Level 1)
   
(Level 2)
   
(Level 3)
 
Assets:
                       
Cash and Cash equivalents - money market funds
  $ 35,613     $ 35,613     $ -     $ -  
Short term investments -bond mutual funds
    15,591       15,591       -       -  
                                 
    $ 51,204     $ 51,204     $ -     $ -