Commitments (Tables)

12 Months Ended

Sep. 30, 2017

Leases, Operating [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

The following schedule reflects future minimum rental commitments under noncancelable operating leases (in thousands):

Fiscal year	Amount
2018	$	1,398
2019	1,148
2020	609
2021	277
2022	208
Thereafter	121
Total minimum payments required	$	3,761

Schedule of Rent Expense

The following schedule shows the composition of total rental expense for all operating leases for the years ended September 30 (in thousands):

	Fiscal years ended September 30,
	2017		2016			2015
Rentals	$	1,342	$	1,613		$	2,076
Less: sublease rentals	—		(46		)	(56		)
Total rental expense	$	1,342	$	1,567		$	2,020