Note 12 - Net Income (Loss) Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Basic EPS Computation:
Net income	$ 1,370,296	$ 2,131,400
Weighted average common shares outstanding (in shares)	14,495,709	14,424,381
Basic EPS (in dollars per share)	$ 0.09	$ 0.15
Diluted EPS Computation:
Net income	$ 1,370,296	$ 2,131,400
Weighted average common shares outstanding (in shares)	14,495,709	14,424,381
Dilutive effect of stock options (in shares)	133,102	251,265
Total shares (in shares)	14,628,811	14,675,646
Diluted net income per share (in dollars per share)	$ 0.09	$ 0.15