Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Income Taxes (Details)

v3.20.2
Summary of Significant Accounting Policies - Income Taxes (Details) - USD ($)
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Accounting Policies [Abstract]      
Valuation allowance relating to unutilized capital loss $ 0 $ 0 $ 5,634,000