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Other Intangible Assets - Components of Other Intangible Assets (Detail) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]    
Net Carrying Amount $ 45,816 $ 356,889
Patents [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Cost 1,243,612  
Accumulated Amortization (958,555)  
Write Off/ Impairment (239,241)  
Net Carrying Amount $ 45,816  
Weighted- Average Amortization Period 17 years