Accrued Expenses and Other Current Liabilities - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Dec. 31, 2022
Components of accrued expenses and other current liabilities
Legal and professional fees	$ 227	$ 384
Sales and marketing expenses	117	96
Temporary help and consulting	140	196
Royalties payable	149	106
Tax payable	100	65
Accrued expenses for ERP system implementation	940	0
Other accrued expenses	323	701
Total accrued expenses	1,996	1,548
Customer deposits	925	968
Total other current liabilities	$ 925	$ 968