Other Assets (Tables)

3 Months Ended

Dec. 31, 2017

Investments All Other Investments [Abstract]

Summary of Other Assets

Other assets consist of the following:

	December 31,		September 30,
(Dollars in thousands)	2017		2017
ViaCyte, Inc.	$	479	$	479
Other noncurrent assets		560		418
Other assets, net	$	1,039	$	897