Note 2 - Summary of Significant Accounting Policies - Schedule Of Reportable Segments (Details) - USD ($)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Product sales	$ 21,123,346	$ 27,550,646
Cost of product sales	21,241,984	20,725,237
Gross margin	(118,638)	6,825,409
Selling, general, and administrative expenses	4,262,290	5,126,046
Income (loss) from operations	(4,380,928)	1,699,363
Interest income	285,322	225,757
Other income	1,657	27,261
Income (loss) before income tax	(4,093,949)	1,952,381
Income tax provision (benefit)	(958,500)	582,085
Net income (loss)	(3,135,449)	1,370,296
Operating Segments [Member]
Product sales	21,123,346	27,550,646
Cost of product sales	21,241,984	20,725,237
Gross margin	(118,638)	6,825,409
Selling, general, and administrative expenses	4,262,290	5,126,046
Income (loss) from operations	(4,380,928)	1,699,363
Interest income	285,322	225,757
Other income	1,657	27,261
Income (loss) before income tax	(4,093,949)	1,952,381
Income tax provision (benefit)	(958,500)	582,085
Net income (loss)	$ (3,135,449)	$ 1,370,296