Other Assets (Tables)

6 Months Ended

Mar. 31, 2018

Investments All Other Investments [Abstract]

Summary of Other Assets

Other assets consist of the following:

	March 31,		September 30,
(Dollars in thousands)	2018		2017
ViaCyte, Inc.	$	479	$	479
Other noncurrent assets		718		418
Other assets, net	$	1,197	$	897