Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Shared-based Compensation and Employee Benefit Plans (Details Textual)

v3.20.2
Note 11 - Shared-based Compensation and Employee Benefit Plans (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Sep. 20, 2018
Jun. 27, 2020
Jun. 29, 2019
Mar. 28, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in shares)   24,693 13,819  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value   $ 105,124 $ 53,032  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)   0 0  
Share-based Payment Arrangement, Option [Member]        
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total   $ 364,000    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   2 years 175 days    
Share-based Payment Arrangement, Expense   $ 68,000 $ 51,000  
Stock Appreciation Rights (SARs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       0
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   0 0 10,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total   $ 24,000    
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)   273 days    
Share-based Payment Arrangement, Expense   $ 8,000 $ 44,000  
The 2018 Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)   166,667    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)   24,493    
The 2018 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 4 years      
The 2018 Equity Incentive Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 5 years      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year) 10 years      
Equity Incentive Plan 2005 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)   0