Note D - Business Segments - Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Apr. 02, 2023	Dec. 31, 2023
External net sales	$ 76,653	$ 80,409
Gross profit (loss)	13,853	18,020
Operating profit (loss)	6,277	9,420
Total assets	417,455	395,879	$ 440,536
Depreciation and amortization	1,474	1,707
Capital expenditures	389	498
Housewares/Small Appliances [Member] | Operating Segments [Member]
External net sales	21,267	21,052
Gross profit (loss)	3,108	4,706
Operating profit (loss)	449	1,345
Total assets	155,577	182,139
Depreciation and amortization	240	252
Capital expenditures	33	66
Defense [Member] | Operating Segments [Member]
External net sales	55,040	58,858
Gross profit (loss)	11,924	14,059
Operating profit (loss)	8,315	10,519
Total assets	255,691	207,151
Depreciation and amortization	1,194	1,342
Capital expenditures	304	166
Safety [Member] | Operating Segments [Member]
External net sales	346	499
Gross profit (loss)	(1,179)	(745)
Operating profit (loss)	(2,487)	(2,444)
Total assets	6,187	6,589
Depreciation and amortization	40	113
Capital expenditures	$ 52	$ 266