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Patents (Detail) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Gross Carrying Amount $ 11,893,745 $ 11,893,745  
Accumulated Amortization (3,979,313) (3,223,824)  
Net Carrying Amount $ 7,914,432 $ 8,669,921 $ 10,415,404
Patents [Member]      
Weighted Average Useful Life 6 years 4 months 24 days 6 years 10 months 24 days  
Gross Carrying Amount $ 12,109,118 $ 11,893,745  
Accumulated Amortization (3,979,313) (3,223,824)  
Net Carrying Amount $ 7,914,432 $ 8,669,921