Annual report pursuant to Section 13 and 15(d)

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

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Income Taxes - Reconciliation of Tax Computed at the Statutory Federal Rate (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Income tax benefit computed at statutory federal rate of 34% $ (3,981,853) $ (1,968,437)
State income tax benefits, net of federal expense/benefit (425,121) (210,160)
Change in valuation allowance 4,271,483 2,052,871
Non-deductible expenses 288,055 110,518
Other (152,564) 15,208
Total $ 0 $ 0