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.

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Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Note 12 - Information Concerning Product Lines, Geographic Information, and Revenue Concentration (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Apr. 02, 2023	Jan. 01, 2023	Jan. 01, 2024	Dec. 31, 2023
Revenue from Contract with Customer, Excluding Assessed Tax	$ 6,007	$ 4,133
Contract with Customer, Liability, Current	778				$ 1,052
UNITED STATES
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,900	$ 3,300
Percentage of Revenue	82.00%	80.00%
UNITED KINGDOM \| Geographic Concentration Risk [Member] \| Revenue Benchmark [Member]
Concentration Risk, Percentage			10.00%
eFPGA Revenue [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 4,000	$ 2,800
Professional Services [Member]
Contract with Customer, Asset, after Allowance for Credit Loss	$ 1,100	2,300
Contract with Customer, Liability, Current		$ 300		$ 700