Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Sep. 30, 2018

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

The components of accrued expenses and other current liabilities consisted of the following:

	As of September 30,
(in thousands)	2018		2017
Compensation	$	3,065	$	3,904
Warranty	642		684
Professional fees	604		653
Customer deposits	22		20
Deferred revenue	368		—
Income and other taxes	7,593		2,920
Severance and restructuring accruals	82		628
Other	1,829		1,016
Accrued expenses and other current liabilities	$	14,205	$	9,825

Schedule of Restructuring and Related Costs

The following table summarizes the changes in the severance accrual account:

(in thousands)	Severance-related accruals			Restructuring- related accruals			Total
Balance as of September 30, 2016	$	642		$	—		$	642
Expense - charged to accrual	1,994			—			1,994
Payments and accrual adjustments	(2,008		)	—			(2,008		)
Balance as of September 30, 2017	628			—			628
Expense - charged to accrual	512			186			698
Payments and accrual adjustments	(1,133		)	(111		)	(1,244		)
Balance as of September 30, 2018	$	7		$	75		$	82

Schedule of Product Warranty Accruals

The following table summarizes the changes in our product warranty accrual accounts:

Product Warranty Accruals	For the Fiscal Years ended September 30,
(in thousands)	2018			2017			2016
Balance at beginning of period	$	684		$	871		$	1,664
Provision for product warranty - expense	431			573			376
Adjustments and utilization of warranty accrual	(473		)	(760		)	(1,169		)
Balance at end of period	$	642		$	684		$	871