General form of registration statement for all companies including face-amount certificate companies

Convertible Notes Payable (Detail) - Convertible Notes Payable by Liability Classification

v2.4.0.6
Convertible Notes Payable (Detail) - Convertible Notes Payable by Liability Classification (USD $)
Dec. 31, 2011
Sep. 30, 2011
Apr. 30, 2011
Dec. 31, 2010
Nov. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Debt, Current [Member]
March 2010 Notes [Member]
Convertible Note Payable [Member]
Dec. 31, 2011
Debt, Current [Member]
March 2010 Notes [Member]
Dec. 31, 2011
Debt, Current [Member]
Convertible Note Payable [Member]
Dec. 31, 2011
Debt, Current [Member]
Dec. 31, 2011
Debt, Long-term [Member]
2011 Unit Offering Notes [Member]
Convertible Note Payable [Member]
Dec. 31, 2011
Debt, Long-term [Member]
2011 Unit Offering Notes [Member]
Sep. 30, 2012
Debt, Long-term [Member]
April 2011 Note [Member]
Convertible Note Payable [Member]
Dec. 31, 2011
Debt, Long-term [Member]
April 2011 Note [Member]
Convertible Note Payable [Member]
Sep. 30, 2012
Debt, Long-term [Member]
April 2011 Note [Member]
Dec. 31, 2011
Debt, Long-term [Member]
April 2011 Note [Member]
Sep. 30, 2012
Debt, Long-term [Member]
Convertible Note Payable [Member]
Dec. 31, 2011
Debt, Long-term [Member]
Convertible Note Payable [Member]
Sep. 30, 2012
Debt, Long-term [Member]
Dec. 31, 2011
Debt, Long-term [Member]
Convertible notes payable, principal             $ 4,071,000   $ 4,071,000   $ 1,625,000   $ 2,000,000 $ 2,000,000     $ 2,000,000 $ 3,625,000    
Convertible notes payable, unamortized discount       653,236 2,775,300   (117,405)   (117,405)   (316,610)             (316,610)    
Convertible notes payable, net $ 3,805,500 $ 1,310,000 $ 2,000,000     $ 4,071,000   $ 3,953,595   $ 3,953,595   $ 1,308,390     $ 2,000,000 $ 2,000,000     $ 2,000,000 $ 3,308,390