Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Sep. 30, 2021

Payables and Accruals [Abstract]

Schedule of Components of Accrued Expenses and Other Current Liabilities

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

	As of September 30,
(in thousands)	2021		2020
Compensation	$	7,192	$	6,916
Warranty	1,125		803
Legal expenses and other professional fees	152		211
Contract liabilities	364		502
Income and other taxes	104		1,265
Severance and restructuring accruals	—		17
Other	999		1,863
Accrued expenses and other current liabilities	$	9,936	$	11,577

Schedule of Product Warranty Accruals

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

	For the Fiscal Year Ended September 30,
(in thousands)	2021		2020		2019
Balance at beginning of period	$	803	$	654	$	642
Provision for product warranty expense	505		626		186
Warranty liability assumed in acquisition liability	—		—		80
Adjustments and utilization of warranty accrual	(183)		(477)		(254)
Balance at end of period	$	1,125	$	803	$	654