v3.26.1
Note 5 - Income Taxes (Details Textual)
3 Months Ended 6 Months Ended
Jul. 04, 2026
Jun. 28, 2025
Jul. 04, 2026
Jun. 28, 2025
Effective Income Tax Rate Reconciliation, Percent   66.00% 1.00% (66.00%)
Income Tax Jurisdiction, Domestic Federal [Member]        
Effective Income Tax Rate Reconciliation, Percent 8.00%