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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($)
Mar. 30, 2019
Dec. 29, 2018
Current Assets    
Accounts receivable, allowances $ 488,000 $ 680,000
Shareholders' Equity    
Preferred Stock, par value (in dollars per share) $ 0 $ 0
Preferred Stock, shares authorized (in shares) 2,000,000 2,000,000
Common Stock, par value (in dollars per share) $ 0 $ 0
Common Stock, shares authorized (in shares) 50,000,000 50,000,000
Common Stock, shares issued (in shares) 8,968,106 8,965,987
Treasury Stock, shares (in shares) 2,734,729 2,734,729