CONSOLIDATED CONDENSED STATEMENTS OF SHAREHOLDERS' EQUITY (DEFICIT) - USD ($)	Common Stock	Retained Earnings (Accumulated Deficit).	Total
BALANCE at Dec. 31, 2022	$ 1,806,700	$ (63,438,800)	$ (61,632,100)
BALANCE (in shares) at Dec. 31, 2022	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
BALANCE at Dec. 30, 2023	$ 7,768,800	(66,924,900)	$ (59,156,100)
BALANCE (in shares) at Dec. 30, 2023	3,496,977		3,496,977
Shareholders' Equity (Deficit)
Stock options exercised	$ 70,000		$ 70,000
Stock options exercised (in shares)	453
Compensation expense relating to stock options	$ 485,900		485,900
Cash dividends		(2,797,900)	(2,797,900)
Comprehensive income (Net income)		8,819,000	8,819,000
BALANCE at Mar. 30, 2024	$ 8,324,700	$ (60,903,800)	$ (52,579,100)
BALANCE (in shares) at Mar. 30, 2024	3,497,430		3,497,430