Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Tax Computed at the Statutory Federal Rate (Detail)

v2.4.1.9
Income Taxes - Reconciliation of Tax Computed at the Statutory Federal Rate (Detail) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Income tax benefit computed at statutory federal rate of 34% $ (1,968,437)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ (5,463,376)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State income tax benefits, net of federal expense/benefit (210,160)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes (583,296)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Change in valuation allowance 2,052,871us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance 5,679,857us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Non-deductible expenses 110,518us-gaap_IncomeTaxReconciliationNondeductibleExpense 248,178us-gaap_IncomeTaxReconciliationNondeductibleExpense
Other 15,208us-gaap_IncomeTaxReconciliationOtherAdjustments 118,637us-gaap_IncomeTaxReconciliationOtherAdjustments
Total $ 0us-gaap_IncomeTaxExpenseBenefit $ 0us-gaap_IncomeTaxExpenseBenefit