Accrued Expenses and Other Current Liabilities - Schedule of Product Warranty Accruals (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Mar. 31, 2024	Sep. 30, 2023
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance at beginning of period	$ 864	$ 911
Provision for product warranty expense	63	120
Adjustments and utilization of warranty accrual	(221)	(167)
Balance at end of period	$ 706	$ 864