XML 44 R32.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies - Restricted Cash (Details) - USD ($)
Dec. 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Accounting Policies [Abstract]        
Restricted cash $ 105,000 $ 105,000 $ 0 $ 0