Annual report pursuant to Section 13 and 15(d)

Income Taxes (Additional Information) (Detail)

v3.6.0.2
Income Taxes (Additional Information) (Detail) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Taxes Additional Information [Line Items]    
Federal and State Net Operating Loss Carryforwards $ 57,600,000  
Deferred Tax Assets, Tax Credit Carryforwards $ 2,398,817 $ 1,823,661
Effective Income Tax Rate Reconciliation, Change In Deferred Tax Assets Valuation Allowance (34.10%) (28.70%)