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UNAUDITED CONSOLIDATED BALANCE SHEETS - Parenthetical - USD ($)
Jun. 26, 2022
Dec. 26, 2021
Statement of Financial Position [Abstract]    
Allowance for credit losses receivable, current $ 448,622 $ 492,087
Preferred stock, par value (in USD per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 500,000 500,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in USD per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 19,500,000 19,500,000
Common stock, shares issued (in shares) 10,482,206 10,425,210
Common stock, shares outstanding (in shares) 10,482,206 10,425,210
Treasury stock, shares outstanding (in shares) 1,235 1,235
Deferred finance costs, line of credit arrangements, net $ 54,610 $ 268,076