XML 59 R47.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Schedule of Change in Valuation Allowance (Detail)
6 Months Ended
Jun. 30, 2020
USD ($)
Income Tax Disclosure [Abstract]  
Valuation allowance $ 56,819,522
Change in valuation allowance 1,620,897
Valuation allowance $ 58,440,419