Annual report pursuant to Section 13 and 15(d)

Note 12 - Stock-based Compensation (Details Textual)

v3.19.3
Note 12 - Stock-based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Share-based Payment Arrangement, Expense $ 2.1 $ 2.6
Share-based Payment Arrangement, Expense, Tax Benefit $ 0.1 $ 0.1
Restricted Stock Units (RSUs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   2,000
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2018 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 205,000  
Restricted Stock Units (RSUs) [Member] | Vest Upon Filing of Annual Report in 2019 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   57,750
Restricted Stock Units (RSUs) [Member] | Vest Upon Filing of Annual Report 2020 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   90,000
Restricted Stock Units (RSUs) [Member] | Upon Filing of Annual Report in 2017 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   54,602
Performance Shares [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   2,000
Performance Shares [Member] | Upon Filing of Annual Report in 2018 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 42,000  
Performance Shares [Member] | Vest Upon Filing of Annual Report in 2019 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   57,750
Performance Shares [Member] | Upon Filing of Annual Report in 2017 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   92,068
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Paid in Common Stock   72,138
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Paid in Cash   19,930
The 2010 Stock Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 500,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total   10,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price   $ 13.07
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 1.1  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 1 year 73 days  
Option Plan [Member] | Officers and Key and Middle-Level Executives [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 2,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Total   6,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price   $ 8.30
Share Based Compensation Arrangement By Share Based Payment Award, Award Exercise Period 10 years  
Option Plan [Member] | Officers and Key and Middle-Level Executives [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years  
Option Plan [Member] | Officers and Key and Middle-Level Executives [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years