Note H - Other Assets (Details Textual) - USD ($)	9 Months Ended
	Sep. 27, 2020	Dec. 31, 2019
Expected Prepayment Utilization Period (Year)	2 years
Other Current Assets [Member]
Materials, Supplies, and Other	$ 4,341,000	$ 4,614,000
Housewares/Small Appliances [Member]
Materials, Supplies, and Other	$ 13,376,000	$ 9,396,000