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SCHEDULE OF SEGMENT INFORMATION BY REVENUE TYPE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Revenue, Major Customer [Line Items]
Total Revenues	$ 10,887	$ 9,513	$ 32,469	$ 26,206
Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	100.00%	100.00%	100.00%	100.00%
UNITED STATES
Revenue, Major Customer [Line Items]
Total Revenues	$ 7,665	$ 7,828	$ 22,293	$ 21,530
UNITED STATES | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	70.00%	82.00%	69.00%	82.00%
Other Americas [Member]
Revenue, Major Customer [Line Items]
Total Revenues				$ 100
Other Americas [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	(0.00%)	(0.00%)	(0.00%)	1.00%
Americas [Member]
Revenue, Major Customer [Line Items]
Total Revenues	$ 7,665	$ 7,828	$ 22,293	$ 21,630
Americas [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	70.00%	82.00%	69.00%	83.00%
Asia Pacific [Member]
Revenue, Major Customer [Line Items]
Total Revenues	$ 2,771	$ 1,475	$ 9,158	$ 3,783
Asia Pacific [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	26.00%	16.00%	28.00%	14.00%
Europe [Member]
Revenue, Major Customer [Line Items]
Total Revenues	$ 451	$ 210	$ 1,018	$ 793
Europe [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]
Revenue, Major Customer [Line Items]
Percentage of total revenue	4.00%	2.00%	3.00%	3.00%

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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