Statements of Stockholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2022	14,460,486
Balance at Dec. 31, 2022	$ 144,605	$ 39,726,851	$ (24,125,092)	$ (40,848)	$ 15,705,516
Share-based compensation expense	0	130,441	0	0	130,441
Net loss	$ 0	0	459,201	0	$ 459,201
Employee options exercises (in shares)	7,001				7,001
Employee options exercises	$ 70	10,215	0	(790)	$ 9,495
Balance (in shares) at Apr. 01, 2023	14,467,487
Balance at Apr. 01, 2023	$ 144,675	39,867,507	(23,665,891)	(41,638)	16,304,653
Balance (in shares) at Dec. 30, 2023	14,601,487
Balance at Dec. 30, 2023	$ 146,015	40,180,893	(22,754,796)	(250,138)	17,321,974
Share-based compensation expense	0	160,962	0	0	160,962
Net loss	$ 0	0	(143,153)	0	$ (143,153)
Employee options exercises (in shares)					0
Balance (in shares) at Mar. 30, 2024	14,601,487
Balance at Mar. 30, 2024	$ 146,015	$ 40,341,855	$ (22,897,949)	$ (250,138)	$ 17,339,783