XML 19 R55.htm IDEA: XBRL DOCUMENT v2.4.0.8
Derivative Financial Instruments - Changes in Fair Value Inputs and Assumptions (Detail) (Compound Embedded Derivative [Member], USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Compound Embedded Derivative [Member]
   
Derivative [Line Items]    
Beginning balance $ 47,243 $ 1,529,583
Issuances      
Expirations from redemptions of host contracts reflected in income   (863,652)
Changes in fair value inputs and assumptions reflected in income (47,243) (244,302)
Ending balance   $ 421,629