Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Future Annual Minimum Payments under all Non-Cancelable Operating Leases (Detail)

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Commitments and Contingencies - Future Annual Minimum Payments under all Non-Cancelable Operating Leases (Detail) (USD $)
Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]  
2014 $ 195,510
2015 95,433
2016 90,012
2017 8,507
Total $ 389,462