XML 50 R38.htm IDEA: XBRL DOCUMENT v3.10.0.1
Income Taxes - Schedule of Change in Valuation Allowance (Detail)
9 Months Ended
Sep. 30, 2018
USD ($)
Income Tax Disclosure [Abstract]  
Valuation allowance $ 49,235,133
Change in valuation allowance 923,095
Valuation allowance $ 50,158,228