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Investments (Tables)
11 Months Ended
Sep. 30, 2012
Investments [Abstract]  
Summary of investments by security type
                                 
    Cost     Gross
Unrealized
Gains
    Gross
Unrealized
Losses
    Fair Market
Value
 

Available-for-sale securities:

                               

Corporate debt securities, short-term

  $ 5,818,549     $ 3,343     $ (2,355   $ 5,819,537  

Corporate debt securities, long-term

    2,087,294       684       (2,288     2,085,690  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $   7,905,843     $ 4,027     $ (4,643   $   7,905,227  
   

 

 

   

 

 

   

 

 

   

 

 

 

The following table summarizes investments by security type as of September 30, 2011:

 

                                 
    Cost     Gross
Unrealized
Gains
    Gross
Unrealized
Losses
    Fair Market
Value
 

Available-for-sale securities:

                               

Corporate debt securities, short-term

  $ 10,195,487     $         -     $ (7,849   $ 10,187,638  

Corporate debt securities, long-term

    419,236       -       (2,006     417,230  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 10,614,723     $ -     $ (9,855   $ 10,604,868  
   

 

 

   

 

 

   

 

 

   

 

 

 
Summary of fair value of investments measured on recurring basis
                 
    2012     2011  

Short-term investments:

               

Corporate debt securities

               

Industrial

  $ 2,264,934     $ 2,773,546  

Financial

    1,604,618       1,246,154  

Commercial paper

               

Financial

    1,197,730       2,398,570  

Industrial

    348,817       399,827  

Agency bond

    —         3,369,541  

Certificate of deposit—financial

    403,438       —    
   

 

 

   

 

 

 

Total short-term investments

  $ 5,819,537     $ 10,187,638  
   

 

 

   

 

 

 

Long-term investments:

               

Corporate debt securities

               

Financial

  $ 1,237,992     $ 417,230  

Industrial

    426,974       —    

Utility

    420,724       —    
   

 

 

   

 

 

 

Total long-term investments

  $ 2,085,690     $ 417,230