Quarterly report pursuant to Section 13 or 15(d)

Notes Payable - Notes Payable (Detail)

v2.4.0.8
Notes Payable - Notes Payable (Detail) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Total Debt $ 23,383,692 $ 21,580,252
Long-term Notes Payable 23,383,692 21,580,252
Revenue Interest Purchase Agreement
   
Debt Instrument [Line Items]    
Total Debt $ 23,383,692 $ 21,580,252