Equity Incentive Plan Equity Incentive Plan (Tables)

6 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Share-based Payment Arrangement, Cost by Plan [Table Text Block]

The following table presents share-based compensation expense recognized during the periods presented.

	Three Months Ended March 31,				Six Months Ended March 31,
	2020		2019		2020		2019
Stock option expense	$	134	$	200	$	322	$	437
Restricted stock units expense	799		946		1,659		1,790
Performance share units expense	227		$	—	368		—
Total stock-based compensation expense	$	1,160	$	1,146	$	2,349	$	2,227