XML 66 R54.htm IDEA: XBRL DOCUMENT v3.10.0.1
Property, Equipment and Improvements, Net (Detail) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Property, Plant and Equipment [Abstract]    
Depreciation, Depletion and Amortization $ 506 $ 365