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Stock Options (Tables)
6 Months Ended
Mar. 31, 2013
Stock Options [Abstract]  
Assumptions used to estimate the fair value of the stock option grants
   
Employee
   
Non-Employee
 
   
Stock Options
   
Stock Options
 
Expected term (years)
    3 – 3.5       8.8 - 10  
Expected volatility
    57.57% - 89.43%       57.57% - 89.43%  
Risk-free interest rate
    0.37% - 0.40%       1.55% - 2.03%  
Expected dividends
    0       0  
 
Summary of the Company's stock option plans and changes
   
Six Months Ended March 31, 2013
 
   
Number of
   
Weighted Average
 
   
Options
   
Exercise Price
 
Options outstanding at September 30, 2012
    3,220,000     $ 4.12  
Options granted
    520,000       1.71  
Options expired
    -       -  
Options cancelled
    (1,200,000 )     4.09  
Options outstanding at March 31, 2013
    2,540,000     $ 3.64  
Options exercisable at March 31, 2013
    499,996     $ 2.95  
 
Summary of changes in the Company's unvested options
   
Six Months Ended March 31, 2013
 
   
Number of
   
Weighted Average
 
   
Options
   
Exercise Price
 
Non-vested options at September 30, 2012
    3,103,334     $ 4.12  
Options granted
    520,000       1.71  
Options vested
    (383,330 )     4.34  
Options cancelled
    (1,200,000 )     4.09  
Non-vested options at March 31, 2013
    2,040,004     $ 3.82  
 
Summary of Options Outstanding and Options Exercisable
   
Options Outstanding
   
Options Exercisable
 
         
Remaining
                   
         
Average
   
Weighted
         
Weighted
 
Range of
       
Contractual
   
Average
         
Average
 
Exercise
 
Number
   
Life
   
Exercise
   
Number
   
Exercise
 
Price
 
Outstanding
   
(In Years)
   
Price
   
Exercisable
   
Price
 
$        4.68
    75,000       3.63     $ 4.68       25,000     $ 4.68  
          4.25
    385,000       8.63       4.25       194,997       4.25  
          4.20
    10,000       8.63       4.20       3,333       4.20  
          4.09
    1,550,000       8.87       4.09       16,666       4.09  
          1.71
    520,000       8.63       1.71       260,000       1.71  
Totals
    2,540,000       8.64     $ 3.64       499,996     $ 2.95