Segment Information - Summary of Net Revenue by Geographic Location (Detail) - USD ($)	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Revenue From External Customers By Geographic Areas [Line Items]
Net revenue	$ 23,577,000	$ 31,416,000
Americas [Member]
Revenue From External Customers By Geographic Areas [Line Items]
Net revenue	22,677,000	29,991,000
CANADA
Revenue From External Customers By Geographic Areas [Line Items]
Net revenue	810,000	1,391,000
Other Foreign Countries [Member]
Revenue From External Customers By Geographic Areas [Line Items]
Net revenue	$ 90,000	$ 34,000