Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Stock-based Compensation - Non-vested Stock to Directors and Employees (Details)

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Note 12 - Stock-based Compensation - Non-vested Stock to Directors and Employees (Details)
 9 Months Ended
Jan. 01, 2023
$ / shares
shares
Number of Shares (in shares) | shares 46,896
Fair Value Per Share (in dollars per share) | $ / shares $ 6.65
Non-vested Stock Grants [Member] | August 11, 2021 [Member] | Non Employee Directors [Member]  
Number of Shares (in shares) | shares 40,165
Fair Value Per Share (in dollars per share) | $ / shares $ 7.47
Non-vested Stock Grants [Member] | August 12, 2020 [Member] | Non Employee Directors [Member]  
Number of Shares (in shares) | shares 41,452
Fair Value Per Share (in dollars per share) | $ / shares $ 5.79
Non-vested Stock Grants [Member] | August 14, 2019 [Member] | Non Employee Directors [Member]  
Number of Shares (in shares) | shares 46,512
Fair Value Per Share (in dollars per share) | $ / shares $ 5.16
Non-vested Stock Grants [Member] | Share-Based Payment Arrangement, Employee [Member] | June 10, 2020 [Member]  
Number of Shares (in shares) | shares 20,000
Fair Value Per Share (in dollars per share) | $ / shares $ 4.92
Non-vested Stock Grants [Member] | Share-Based Payment Arrangement, Employee [Member] | February 22, 2021 [Member]  
Number of Shares (in shares) | shares 10,000
Fair Value Per Share (in dollars per share) | $ / shares $ 7.60
Non-vested Stock Grants [Member] | Share-Based Payment Arrangement, Employee [Member] | June 9, 2021 [Member]  
Number of Shares (in shares) | shares 25,000
Fair Value Per Share (in dollars per share) | $ / shares $ 7.98