Note 15 - Net Income Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Basic EPS Computation:
Net income	$ (3,135,449)	$ 1,370,296
Outstanding (in shares)	14,522,513	14,495,709
Basic EPS (in dollars per share)	$ (0.22)	$ 0.09
Diluted EPS Computation:
Net income	$ (3,135,449)	$ 1,370,296
Outstanding (in shares)	14,522,513	14,495,709
Dilutive effect of stock options (in shares)	0	133,102
Total shares (in shares)	14,522,513	14,628,811
Diluted net income per share (in dollars per share)	$ (0.22)	$ 0.09