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Consolidated Balance Sheets (Parenthetical) - USD ($)	Sep. 25, 2021	Sep. 26, 2020
Allowance for doubtful accounts receivable	$ 157,343	$ 325,074
Preferred stock, par value	$ 0.05	$ 0.05
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Class A Common Stock
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	14,271,335	14,212,360
Common stock, shares outstanding	14,271,335	14,212,360
Class B Common Stock [Member]
Common stock, par value	$ 0.05	$ 0.05
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	4,723,041	6,047,416
Common stock, shares outstanding	4,723,041	6,047,416

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