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Consolidated Balance Sheets (Parentheticals) - $ / shares
Dec. 30, 2023
Dec. 31, 2022
Jan. 01, 2022
Preferred stock par value (in dollars per share) $ 1 $ 1 $ 1
Preferred stock, authorized (in shares) 5,000,000 5,000,000 5,000,000
Preferred stock, issued (in shares) 0 0 0
Preferred stock, outstanding (in shares) 0 0 0
Common stock, par value (in dollars per share) $ 0.05 $ 0.05 $ 0.05
Common stock, authorized (in shares) 40,000,000 40,000,000 40,000,000
Common stock, issued (in shares) 17,673,427 17,287,967 16,903,157
Common stock, outstanding (in shares) 7,844,821 9,285,318 10,290,935
Treasury stock, shares (in shares) 9,828,606 8,002,649 6,612,222