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

Long Term Debt/ Note Payable (Parenthetical) (Detail)

v2.4.0.8
Long Term Debt/ Note Payable (Parenthetical) (Detail) (USD $)
 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Loan And Security Agreement
Sep. 30, 2012
Loan And Security Agreement
Dec. 31, 2011
Loan And Security Agreement
Sep. 30, 2011
Loan And Security Agreement
Mar. 31, 2013
Revenue Interest Purchase Agreement
Dec. 31, 2012
Revenue Interest Purchase Agreement
Oct. 05, 2012
Revenue Interest Purchase Agreement
Dec. 31, 2011
Revenue Interest Purchase Agreement
Mar. 31, 2013
Minimum
Revenue Interest Purchase Agreement
Dec. 31, 2012
Minimum
Revenue Interest Purchase Agreement
Mar. 31, 2013
Maximum
Revenue Interest Purchase Agreement
Dec. 31, 2012
Maximum
Revenue Interest Purchase Agreement
Long-Term Debt / Note payable                            
Total debt $ 21,580,252 $ 5,000,000   $ 5,000,000 $ 5,000,000   $ 22,438,404 $ 21,580,252 $ 20,800,000 $ 20,800,000        
Principal and interest payable     30 months                      
Royalty payable on net revenues             9.95% 9.95%            
Interest payable     9.90%     9.90%                
Varying amount                     1,300,000 1,300,000 2,500,000 2,500,000
Minimum contractual payments related to the note payable in 2014             1,250,805 1,250,805            
Minimum contractual payments related to the note payable in 2015             6,781,440 6,781,440            
Minimum contractual payments related to the note payable in 2016             9,232,642 9,232,642            
Minimum contractual payments related to the note payable in 2017             9,000,000 9,000,000            
Minimum contractual payments related to the note payable in 2018             9,000,000 9,000,000            
Minimum contractual payments related to the note payable in 2019             9,063,000 9,063,000            
Minimum contractual payments related to the note payable in 2020             $ 6,939,000 $ 6,939,000