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Stockholders' Deficit (Details Textual) (USD $)
 3 Months Ended 12 Months Ended 3 Months Ended 3 Months Ended 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Jun. 03, 2010
Jan. 16, 2008
Aug. 17, 2007
Sep. 30, 2012
Derivative warrants [Member]
Investors
Aug. 17, 2007
Restricted stock units (RSUs) [Member]
Mar. 31, 2013
Common Stock [Member]
Sep. 30, 2012
Common Stock [Member]
Dec. 31, 2012
Common Stock [Member]
Sep. 30, 2012
Series G Convertible Preferred Stock [Member]
Stockholder's Deficit (Textual) [Abstract]                        
Common stock, shares value representing payment for principal $ 7,860   $ 7,542           $ 3,130,435   $ 4,262,527  
Common stock shares issued employee stock incentive plan                       8,900
Common stock exercise of outstanding warrant 2,010,500           287,500          
Shares issued from warrant conversion                 2,010,500 287,500    
Shares authorized for stock-based compensation       3,000,000 2,500,000 2,500,000   500,000        
Common stock, shares issued 78,596,929   75,416,203           1,089,578   1,441,013 140,000
Number of accredited investors to whom common stock stock issued             4          
Stockholder's Deficit (Additional Textual) [Abstract]                        
Number of stock incentive plans 2                      
Stock incentive plan expiration date     Aug. 17, 2007                  
Exercise price of incentive option granted     Exercise price of any incentive option granted to an eligible employee owning more than 10% of our outstanding common stock must not be less than 110% of fair market value on the date of the grant.                  
Share-based compensation $ 688,580 $ 388,419                    
Weighted average estimated fair value of stock options $ 1.44 $ 1.43                    
Eligible employee threshold percentage 10.00%                      
Purchase price of common stock percentage 110.00%