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Note E - Stock Compensation (Details Textual) - USD ($) $ in Thousands		3 Months Ended
	Apr. 03, 2024	Mar. 31, 2024	Mar. 31, 2023
Share-Based Payment Arrangement, Expense		$ 429	$ 459
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount		$ 991	$ 2,816
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 3 months 18 days
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member]
Stock Issued During Period, Shares, Restricted Stock Award, Gross	130,800
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period	3 years
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member] \| Share-Based Payment Arrangement, Tranche One [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	33.33%
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member] \| Share-Based Payment Arrangement, Tranche Two [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	33.33%
Subsequent Event [Member] \| Restricted Stock Units (RSUs) [Member] \| Share-Based Payment Arrangement, Tranche Three [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage	33.33%