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Stock Based Compensation (Summary of Stock Option Activity Under The Company's Stock Option Plans) (Details) - Stock Option [Member] - $ / shares
12 Months Ended
Dec. 30, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Outstanding, Option Shares, Beginning Balance 30,000 180,000
Exercised, Option Shares (30,000) (150,000)
Outstanding, Option Shares, Ending Balance   30,000
Exercisable, Option Shares   30,000
Outstanding, Weighted Average Exercise Price, Beginning Balance $ 4 $ 4
Exercised, Weighted Average Exercise Price $ 4 4
Outstanding, Weighted Average Exercise Price, Ending Balance   4
Exercisable, Weighted Average Exercise Price   $ 4