Annual report pursuant to Section 13 and 15(d)

Patents and Trademarks, Net (Additional Information) (Detail)

v3.19.1
Patents and Trademarks, Net (Additional Information) (Detail) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]      
Amortization $ 94,137 $ 77,415 $ 106,734
Impairment of Software Development Cost 0 $ 0 20,506
Abandoned Patents and Trademarks      
Finite-Lived Intangible Assets [Line Items]      
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months $ 118,000    
Impairment of Software Development Cost     20,506
Representing Cost     44,371
Finite-Lived Intangible Assets, Accumulated Amortization     $ 23,865