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Leases (Details Narrative) $ in Thousands	3 Months Ended		6 Months Ended
Leases (Details Narrative) $ in Thousands	Jul. 01, 2023 USD ($) ft²	Jul. 02, 2022 USD ($)	Jul. 01, 2023 USD ($) ft²	Jul. 02, 2022 USD ($)
Leases
Area of real estate property \| ft²	6,200		6,200
Rent expenses	$ 23	$ 20	$ 46	$ 40
Warehouse expenses	85	95	161	191
Payments for rent copiers	$ 4	$ 5	$ 8	$ 12
Incremental borrowing rate, percentage			5.50%