Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 29, 2024 USD ($) Customer	Jul. 01, 2023 USD ($) Customer	Jun. 29, 2024 USD ($) Customer	Jul. 01, 2023 USD ($) Customer	Dec. 30, 2023 Customer	Sep. 30, 2023 USD ($)
Disclosure Summary Of Significant Accounting Policies [Line Items]
Service contract warranty period			1 year
Service contract, period to determine nature of sale			60 days
Arrangement fee			$ 200
Fair value of distribution right			14,800
Amortization cost	$ 21	$ 41	21	$ 41
Impairments expenses	0	0	0	0
Deferred revenue recognized			1,400	900
Non-current portion of deferred revenue pertains to exclusivity fee deferred revenue	9,000		9,000
Current portion of deferred revenue pertains to exclusivity fee deferred revenue	1,500		$ 1,500
Products warranty period			2 years
Capitalized implementation costs						$ 1,100
Capitalized implementation costs amortization period					5 years
Amortization expense			$ 113	0
Prepaid Expenses and Other Current Assets and Other Long Term Assets
Disclosure Summary Of Significant Accounting Policies [Line Items]
Deferred costs incurred	600		600
Revenue, Total
Disclosure Summary Of Significant Accounting Policies [Line Items]
Amortization cost	19	38	19	38
Impairments expenses	$ 0	$ 0	$ 0	$ 0
Revenue, Total | Minimum [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Amortization period	2 years		2 years
Revenue, Total | Maximum [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Amortization period	3 years		3 years
Revenue, Total | Prepaid Expenses and Other Current Assets and Other Long Term Assets
Disclosure Summary Of Significant Accounting Policies [Line Items]
Deferred costs incurred	$ 100		$ 100
Revenue, Total | Topcon [Member] | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer	1	1	1	1
Accounts Receivable | Topcon [Member] | Credit Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer			1		1
Percentage of accounts receivable accounted			19.00%		30.00%
Accounts Receivable | Topcon [Member] | Credit Concentration Risk | One Customer | Minimum [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases			10.00%		10.00%
Revenue, Total | Topcon [Member] | Customer Concentration Risk
Disclosure Summary Of Significant Accounting Policies [Line Items]
Percentage of accounts receivable accounted	38.00%	28.00%	35.00%	30.00%
Revenue, Total | Topcon [Member] | Customer Concentration Risk | One Customer | Minimum [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Customer and supplier accounted percentage of total revenues, accounts receivable and purchases	10.00%	10.00%	10.00%	10.00%
Distribution Rights [Member]
Disclosure Summary Of Significant Accounting Policies [Line Items]
Revenue Recognized	$ 400	$ 300	$ 700	$ 700
Royalty Agreements
Disclosure Summary Of Significant Accounting Policies [Line Items]
Number of customers | Customer			2