Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Going Concern - Additional Information (Detail)

v3.8.0.1
Liquidity and Going Concern - Additional Information (Detail) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Liquidity and Going Concern [Abstract]    
Cash $ 89,921,213 $ 29,355,528