v3.26.1
Note 7 - Net Income (Loss) Per Common and Common Equivalent Share - Table of Both Basic and Diluted EPS (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Net income (loss) $ 37,747 $ 103,833 $ (256,432) $ 199,795
Weighted average number of basic common shares outstanding (in shares) 18,460,574 14,525,960 18,108,732 14,525,960
Net income (loss) per basic common share (in dollars per share) $ 0 $ 0.01 $ (0.01) $ 0.01
Net income (loss) per diluted common share (in dollars per share) $ 0 $ 0.01 $ (0.01) $ 0.01
Share-Based Payment Arrangement, Option [Member]        
Dilutive effect (in shares) 393,546 51,473 0 34,712
Shares Issued [Member]        
Dilutive effect (in shares) 18,854,120 14,577,433 18,108,732 14,560,672