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Future Minimum Annual Lease Payments (Detail) (USD $)
Dec. 31, 2014
Commitments and Contingencies [Line Items]  
2015 $ 112,895us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
2016 116,201us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
2017 68,587us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
Total $ 297,683us-gaap_OperatingLeasesFutureMinimumPaymentsDue