Annual report pursuant to Section 13 and 15(d)

Note 10 - Stock-based Compensation - Non-vested Stock to Directors and Employees (Details)

v3.23.2
Note 10 - Stock-based Compensation - Non-vested Stock to Directors and Employees (Details) - Non-vested Stock Grants [Member]
 12 Months Ended
Apr. 02, 2023
$ / shares
shares
March 21, 2023 [Member] | Share-Based Payment Arrangement, Employee [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 40,000
Fair Value Per Share (in dollars per share) | $ / shares $ 5.85
June 9, 2021 [Member] | Share-Based Payment Arrangement, Employee [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 25,000
Fair Value Per Share (in dollars per share) | $ / shares $ 7.98
February 22, 2021 [Member] | Share-Based Payment Arrangement, Employee [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 10,000
Fair Value Per Share (in dollars per share) | $ / shares $ 7.60
June 10, 2020 [Member] | Share-Based Payment Arrangement, Employee [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 20,000
Fair Value Per Share (in dollars per share) | $ / shares $ 4.92
Non Employee Directors [Member] | August 16, 2022 [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 46,896
Fair Value Per Share (in dollars per share) | $ / shares $ 6.65
Vesting Period (Year) 1 year
Non Employee Directors [Member] | August 11, 2021 [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 40,165
Fair Value Per Share (in dollars per share) | $ / shares $ 7.47
Vesting Period (Year) 1 year
Non Employee Directors [Member] | August 12, 2020 [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 41,452
Fair Value Per Share (in dollars per share) | $ / shares $ 5.79
Vesting Period (Year) 2 years
Non Employee Directors [Member] | August 14, 2019 [Member]  
Statement [Line Items]  
Number of Shares (in shares) | shares 46,512
Fair Value Per Share (in dollars per share) | $ / shares $ 5.16
Vesting Period (Year) 2 years