Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock, Common [Member]	Total
Balance (in shares) at Dec. 31, 2022	14,460,486					15,705,516
Balance at Dec. 31, 2022	$ 144,605	$ 39,726,851	$ (24,125,092)	$ 0	$ (40,848)
Share-based compensation expense	$ 0	204,797	0	0	0	$ 204,797
Employee option exercises (in shares)	141,001					41,365
Employee option exercises	$ 1,410	249,245		0	(209,290)
Net income	$ 0	0	1,370,296			$ 1,370,296
Balance (in shares) at Dec. 30, 2023	14,601,487					17,321,974
Balance at Dec. 30, 2023	$ 146,015	40,180,893	(22,754,796)	0	(250,138)	$ 17,321,974
Share-based compensation expense	$ 0	310,094	0	0	0	$ 310,094
Employee option exercises (in shares)	60,000					0
Employee option exercises	$ 600	89,400	0	0	(90,000)
Net income	$ 0	0	(3,135,449)		0	$ (3,135,449)
Other comprehensive income				15,500
Balance (in shares) at Dec. 28, 2024	14,661,487
Balance at Dec. 28, 2024	$ 146,615	$ 40,580,387	$ (25,890,245)	$ 15,500	$ (340,138)	$ 14,512,119