Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Operating Leases (Details)

v3.8.0.1
Commitments and Contingencies - Operating Leases (Details) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]      
Total rent expense $ 725 $ 667 $ 649