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Note 9 - Information Concerning Product Lines, Geographic Information and Revenue Concentration - Schedule of Revenue by Shipment Destination (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 03, 2022	Jul. 04, 2021	Jul. 03, 2022	Jul. 04, 2021
Total revenue	$ 4,541	$ 2,882	$ 8,637	$ 5,122
Asia Pacific [Member]
Total revenue	840	1,075	2,331	1,828
North America [Member]
Total revenue	3,082	565	5,515	1,824
Europe [Member]
Total revenue	$ 619	$ 1,242	$ 791	$ 1,470

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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-Publisher FASB
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