Annual report pursuant to Section 13 and 15(d)

Patents and Trademarks, Net (Schedule Of Patents and Trademarks) (Detail)

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Patents and Trademarks, Net (Schedule Of Patents and Trademarks) (Detail) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]    
Patents and Trademarks, Net $ 813,774 $ 535,461
Patents and Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Patents and Trademarks 1,325,905 970,178
Less: Accumulated Amortization (512,131) (434,717)
Patents and Trademarks, Net $ 813,774 $ 535,461