CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) - USD ($)	Common Stock	Retained Earnings (Accumulated Deficit).	Total
BALANCE at Dec. 25, 2021		$ (39,083,400)	$ (39,083,400)
BALANCE (in shares) at Dec. 25, 2021	3,635,806
Shareholders' Equity (Deficit)
Repurchase of common stock	$ (1,679,900)	(34,911,500)	(36,591,400)
Repurchase of common stock (in shares)	(164,586)
Stock options exercised	$ 1,258,300		1,258,300
Stock options exercised (in shares)	9,156
Compensation expense relating to stock options	$ 421,600		421,600
Cash dividends		(1,625,300)	(1,625,300)
Comprehensive income (Net income)		9,852,500	9,852,500
BALANCE at Mar. 26, 2022		(65,767,700)	(65,767,700)
BALANCE (in shares) at Mar. 26, 2022	3,480,376
BALANCE at Dec. 31, 2022	$ 1,806,700	(63,438,800)	$ (61,632,100)
BALANCE (in shares) at Dec. 31, 2022	3,459,673		3,459,673
Shareholders' Equity (Deficit)
Stock options exercised	$ 590,400		$ 590,400
Stock options exercised (in shares)	3,518
Compensation expense relating to stock options	$ 475,900		475,900
Cash dividends		(2,421,900)	(2,421,900)
Comprehensive income (Net income)		8,942,700	8,942,700
BALANCE at Apr. 01, 2023	$ 2,873,000	$ (56,918,000)	$ (54,045,000)
BALANCE (in shares) at Apr. 01, 2023	3,463,191		3,463,191