Accrued Expenses (Tables)

12 Months Ended

Sep. 30, 2019

Accrued Expenses

Summary of the major classes of accrued expenses

	September 30,
	2018		2019
Employee compensation	$	8,825	$	9,936
Taxes, other than income taxes		2,673		2,744
Employee termination liabilities		1,562		384
Professional fees		1,225		471
Management incentive compensation		1,104		2,297
Utilities		982		924
Accrued product returns		—		985
Capital lease obligation, current		147		170
Other		945		922
	$	17,463	$	18,833