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Notes Payable (2012 Secured Convertible Notes) (Details) (USD $)
 3 Months Ended 6 Months Ended 6 Months Ended 1 Months Ended 3 Months Ended 6 Months Ended 1 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Jun. 30, 2013
Conversion Feature of Debt [Member]
Jun. 30, 2013
Warrant Reset Provision [Member]
Jul. 31, 2012
Tranche One of Warrants Issued with 2012 Convertible Notes [Member]
Aug. 31, 2012
2012 Convertible Notes [Member]
Jul. 31, 2012
2012 Convertible Notes [Member]
Jun. 30, 2013
2012 Convertible Notes [Member]
Jun. 30, 2013
2012 Convertible Notes [Member]
Jan. 31, 2013
2012 Convertible Notes [Member]
Dec. 31, 2012
2012 Convertible Notes [Member]
Jul. 31, 2012
2012 Convertible Notes [Member]
Maximum [Member]
Jul. 31, 2012
2012 Convertible Notes Subsequently Amended [Member]
Jul. 31, 2012
Newly Issued Debt [Member]
Debt Instrument [Line Items]                                  
Principal issued                 $ 900,000 $ 1,900,000 $ 3,475,000 $ 3,475,000 $ 425,000 $ 250,000 $ 5,000,000    
Debt maturity date                   Jul. 13, 2013           Oct. 31, 2013  
Debt interest rate                   12.00%              
Conversion price                   $ 0.25              
Warrant term length                   5 years              
Number of shares of common stock warrants can be exercised for               3,800,000 1,800,000 200,000     850,000 500,000     3,800,000
Amount of debt converted                   900,000              
Continued sales of convertible debt     770,000                            1,000,000
Proceeds from issuance of convertible note and warrants                 851,624 923,175             923,175
Payment of investment banking fees                 48,376 76,825             76,825
Derivative valuation 1,275,275 4,309,537 1,275,275 4,309,537 1,191,269 60,660 237,700                    
Gain (loss) on derivative valuation 709,509 2,959,155 (25,606) 4,588,480   28,940 (11,400)                    
Risk-free interest rate           0.04% 0.57%                    
Expected life           4 months 2 days 4 years 1 month 6 days                    
Expected volatility           143.51% 91.86%                    
Dividend yield           0.00% 0.00%                    
Stock trading price           $ 0.08 $ 0.08                    
Accretion of discount on convertible notes payable     793,865 265,636             51,525 360,494          
Interest expense                     $ 103,964 $ 202,825