Inventories - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Sep. 30, 2021
Inventory [Line Items]
Provision for excess and obsolete inventories	$ 91	$ 304	$ 422
Inventory valuation reserves	3,567	3,871	3,476
Inventory, lower of cost or market reserve		200	100
Telco
Inventory [Line Items]
Provision for excess and obsolete inventories	$ 100	$ 300	$ 400