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Note 2 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 28, 2024
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

Product sales

 

$

21,123,346

   

$

27,550,646

               

Cost of product sales

   

21,241,984

     

20,725,237

Gross margin

   

(118,638

   

6,825,409

               

Selling, general, and administrative expenses

   

4,262,290

     

5,126,046

Income (loss) from operations

   

(4,380,928

   

1,699,363

               

Interest income

   

285,322

     

225,757

Other income

   

1,657

     

27,261

Income (loss) before income tax

   

(4,093,949

   

1,952,381

Income tax provision (benefit)

   

(958,500

   

582,085

Net income (loss)

 

$

(3,135,449

 

$

1,370,296