Revenue - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Contract assets	$ 10,650		$ 7,796
Deferred revenue, total	4,700		$ 6,800
Revenue recognized included in deferred revenue balance at beginning of period	2,200	$ 2,600
Abbott Agreement [Member]
Disaggregation of Revenue [Line Items]
Deferred revenue, total	$ 4,500