Schedule of Disaggregation Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Disaggregation of Revenue [Line Items]
Revenues	$ 2,719	$ 2,979	$ 5,208	$ 6,442
Frozen Desserts And Foods [Member]
Disaggregation of Revenue [Line Items]
Revenues	436	453	826	1,000
Cheeses [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,283	2,526	4,382	5,442
Americas [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,586	2,780	5,006	6,065
Europe [Member]
Disaggregation of Revenue [Line Items]
Revenues	7	109	11	109
Asia Pacific And Africa [Member]
Disaggregation of Revenue [Line Items]
Revenues			57
Middle East [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 126	$ 90	$ 134	$ 268