Quarterly report pursuant to Section 13 or 15(d)

Note H - Stock-based Compensation (Details Textual)

v3.22.0.1
Note H - Stock-based Compensation (Details Textual) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 01, 2022
Jan. 02, 2021
Oct. 03, 2020
Share-based Payment Arrangement, Expense $ 0.4   $ 0.9
Share-based Payment Arrangement, Expense, Tax Benefit $ 0.1 $ 0.3  
Performance Shares [Member] | Upon Filing of Annual Report in 2021 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 47,700    
Performance Shares [Member] | Upon Filing of Annual Report in 2023 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 59,625    
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2021 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 95,000    
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2022 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 5,000    
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2023 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 59,625    
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2024 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 13,000    
Restricted Stock Units and Performance Units [Member] | Upon Filing of Annual Report in 2021, Paid in Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) 96,350    
Restricted Stock Units and Performance Units [Member] | Upon Filing of Annual Report in 2021, Paid in Cash [Member]      
Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Vested in Period, Payable in Cash (in shares) 46,350    
Restricted Stock Units and Performance Units [Member] | Upon Filing of Annual Report in 2023, Paid in Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 64,625    
Restricted Stock Units and Performance Units [Member] | Upon Filing of Annual Report in 2023, Paid in Cash [Member]      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 54,625    
The 2020 Stock Plan [Member]      
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 4.2    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) 2 years 10 months 24 days