XML 35 R18.htm IDEA: XBRL DOCUMENT v3.19.3
Organization and Basis of Presentation (Details) - $ / shares
Sep. 30, 2019
Jun. 30, 2019
Mar. 09, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Preferred stock, par value (USD per share) $ 0.0001 $ 0.0001 $ 0.0001