v3.26.1
Note 6 - Fair value of Marketable Securities (Tables)
3 Months Ended
Mar. 28, 2026
Notes Tables  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
   

March 28,

2026

   

December 27,

2025

 

Cost basis

  $ 6,802,570       8,769,502  

Unrealized gain (loss)

  $ (4,618 )     139  

Total fair value

  $ 6,797,952       8,769,363