v3.26.1
Note 6 - Fair Value of Marketable Securities - Marketable Securities Purchased (Details) - USD ($)
Jun. 27, 2026
Dec. 27, 2025
Cost basis $ 3,804,646 $ 8,769,502
Unrealized gain (loss) (3,220) (139)
Total fair value $ 3,801,426 $ 8,769,363