v2.4.1.9
7. Equity Instruments Modification and Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2014
Convertible Notes  
Financial Liabilities Measured at Fair Value on a Recurring Basis
    Fair Value Hierarchy Level    

Fair Value

December 31, 2013

     Change in Fair Value From Jan. 1 to Sept. 15, 2014 (Modification Date)  
Series C-1, C-2 and C-3 non-voting preferred stock conversion option issued in October 2013 and January 2014       3     $ 2,027,330     $ 599,814  
Series D non-voting preferred stock conversion option issued in October 2013     3       901,625       2,017,960  
Series E non-voting preferred stock conversion option issued in October 2013     3       735,619       1,786,902  
Warrants issued in connection with convertible debt issued in May 2013     3       660,869       1,566,444  
Warrants issued in connection with Series C-1, C-2 and C-3 non-voting preferred stock issued in October 2013 and January 2014       3         983,361         3,732,962  
Warrants issued in March 2014 in  connection with the private placement of common stock and warrants       3         -       (855,129 )
Total           $ 5,308,804     $ 8,848,953  
Schedule of changes in fair value
    December 31, 2014  
Balance at beginning of year   $ 5,308,804  
Additions to derivative liabilities     3,782,182  
Conversion of convertible preferred stock to common stock     (2,447,384 )
Loss from modification of preferred stock and warrant instruments     2,462,588  
Change in fair value of derivative liabilities     8,848,953  
Reclassification of derivative liabilities to equity (excluding $21,117 dividends issued in 2013)     (17,955,143 )
Balance at end of year   $ -