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Nature of Operations and Summary of Significant Accounting Policies (Tables)
3 Months Ended
Dec. 31, 2012
Nature of Operations and Summary of Significant Accounting Policies [Abstract]  
Potentially dilutive common shares
                 
    2012     2011  

Stock options

    3,780,471       246,500  

Warrants

    6,667       —    

Restricted stock units

    719,167       —    
   

 

 

   

 

 

 

Total potentially dilutive common shares outstanding

    4,506,305       246,500  
   

 

 

   

 

 

 
Computation of basic and diluted net income (loss) per share
                 
   

Three months ended

December 31,

 
    2012     2011  

Net (loss) income

  $ (1,359,642   $ 26,275  
   

 

 

   

 

 

 

Weighted-average common shares outstanding—basic

    26,024,288       24,390,215  
   

 

 

   

 

 

 

Effect of dilutive securities

    —         3,427,330  
   

 

 

   

 

 

 

Weighted-average common shares and share equivalents outstanding—diluted

    26,024,288       27,817,545  
   

 

 

   

 

 

 

Net (loss) income per share—basic

  $ (0.05   $ 0.00  
   

 

 

   

 

 

 

Net (loss) income per share—diluted

  $ (0.05   $ 0.00  
   

 

 

   

 

 

 
Components of comprehensive income (loss)
                 
    Three months ended
December 31,
 
    2012     2011  

Net income (loss)

  $ (1,359,642   $ 26,275  

Other comprehensive income (loss):

               

Change in unrealized gains/losses on marketable securities

    4,378       4,931  
   

 

 

   

 

 

 

Total comprehensive income (loss)

  $ (1,355,264   $ 31,206