Prepayments, Deposits, and Other Current Assets - Schedule Of Prepayments, Deposits, and Other Current Assets (Details) - USD ($) $ in Thousands		Jun. 28, 2024	Dec. 29, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepayments and deposits		$ 6,901	$ 5,924
Prepaid rent		3,137	292
Prepaid insurance		1,149	2,314
Prepaid marketing costs		1,024	2,141
Consumption tax receivable			820
Value added tax (VAT) receivable		1,904	2,456
BVG (Swiss Pension) prepayment		946	23
Other	[1]	474	739
Total prepayments, deposits and other current assets		$ 15,535	$ 14,709

[1] No individual category in “other current assets” exceeds 5% of the total prepayments, deposits and other current assets.