v3.26.1
Note 6 - Fair Value of Marketable Securities (Tables)
6 Months Ended
Jun. 27, 2026
Notes Tables  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
   

June 27, 2026

   

December 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