Income Taxes (Additional Information) (Detail) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Income Taxes Additional Information [Line Items]
Federal and State Net Operating Loss Carryforwards	$ 43,900,000
Percentage Of Valuation Allowance On Deferred Tax Assets	100.00%	100.00%
Deferred Tax Assets, Tax Credit Carryforwards	$ 1,823,661	$ 1,433,229