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Long Term Debt - Hercules Loan Agreement - Additional Information (Detail) - USD ($)				3 Months Ended		9 Months Ended		30 Months Ended
	Jul. 01, 2024	Jul. 01, 2022	Jan. 01, 2022	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Mar. 31, 2021
Schedule Of Long Term Debt [Line Items]
Loss on extinguishment of debt				$ 0	$ 0	$ 0	$ (162,000)
Hercules Loan Agreement
Schedule Of Long Term Debt [Line Items]
Proceeds from lines of credit								$ 32,500,000
Line of credit facility, maximum borrowing capacity				$ 50,000,000		50,000,000
Debt instrument variable percentage				8.75%
Interest rate increase percentage				4.00%
Contingent additional term loan advances, tranche two				$ 7,500,000		7,500,000
Contingent additional term loan advances, tranche three				10,000,000		10,000,000
Interest expense, debt				920,000	697,000	2,716,000	1,967,000
Amortization of debt discount				$ 193,000	$ 138,000	$ 557,000	$ 390,000
Effective interest rate of loan				10.70%		10.70%
Principal payments						$ 0
Hercules Loan Agreement \| Subsequent Event
Schedule Of Long Term Debt [Line Items]
Line of credit facility periodic payment	$ 800,000	$ 1,300,000	$ 800,000
Hercules Loan Agreement \| Prime Rate
Schedule Of Long Term Debt [Line Items]
Debt instrument variable percentage						6.00%
Hercules Loan Agreement \| Maximum \| Period One
Schedule Of Long Term Debt [Line Items]
Debt instrument prepayment premium, percentage				2.00%		2.00%
Hercules Loan Agreement \| Maximum \| Period Two
Schedule Of Long Term Debt [Line Items]
Debt instrument prepayment premium, percentage				1.00%		1.00%
Hercules Loan Agreement \| Maximum \| Period Three
Schedule Of Long Term Debt [Line Items]
Debt instrument prepayment premium, percentage				0.50%		0.50%