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Schedule of Segment Information by Revenue Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 45,666	$ 40,128	$ 29,519
Percentage of total revenue	100.00%	100.00%	100.00%
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 32,461	$ 33,031	$ 14,946
Percentage of total revenue	71.00%	82.00%	51.00%
Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues		$ 101	$ 134
Percentage of total revenue
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 32,461	$ 33,132	$ 15,080
Percentage of total revenue	71.00%	82.00%	51.00%
Asia Pacific [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 11,852	$ 5,798	$ 11,768
Percentage of total revenue	26.00%	15.00%	40.00%
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues	$ 1,353	$ 1,198	$ 2,628
Percentage of total revenue	3.00%	3.00%	9.00%
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenues			$ 42
Percentage of total revenue

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