v3.26.1
Note 10 - Stock-based Compensation - Estimated Fair Value of Stock Options Assumptions (Details) - $ / shares
12 Months Ended
Mar. 29, 2026
Mar. 30, 2025
Number of options issued (in shares) 0 30,000
July 15, 2024 [Member]    
Number of options issued (in shares)   10,000
Grant date   Jul. 15, 2024
Dividend yield   6.67%
Expected volatility   20.00%
Risk free interest rate   4.23%
Contractual term (years) (Year)   10 years
Expected term (years) (Year)   3 years
Forfeiture rate   5.00%
Exercise price (grant-date closing price) per option (in dollars per share)   $ 4.8
Fair value per option (in dollars per share)   $ 0.26
June 10, 2024 [Member]    
Number of options issued (in shares)   20,000
Grant date   Jun. 10, 2024
Dividend yield   6.21%
Expected volatility   20.00%
Risk free interest rate   4.62%
Contractual term (years) (Year)   10 years
Expected term (years) (Year)   3 years
Forfeiture rate   5.00%
Exercise price (grant-date closing price) per option (in dollars per share)   $ 5.15
Fair value per option (in dollars per share)   $ 0.3