v3.26.1
Note 9 - Per Share Data (Details Textual) - shares
shares in Thousands
3 Months Ended
Apr. 04, 2026
Mar. 29, 2025
Jan. 03, 2026
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 0 0  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)     0