Quarterly report pursuant to Section 13 or 15(d)

Note D - Investment in Equity Securities (Details Textual)

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Note D - Investment in Equity Securities (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Apr. 02, 2022
Jan. 01, 2022
Equity Securities without Readily Determinable Fair Value, Price Adjustment, Cumulative Amount $ 0 $ 0
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount 0 0
Other Assets [Member]    
Equity Securities without Readily Determinable Fair Value, Amount $ 20,000 $ 20,000