Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Stock-based Compensation (Details Textual)

v3.20.2
Note 7 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Jun. 10, 2020
Jan. 18, 2019
Jun. 28, 2020
Jun. 30, 2019
Common Stock, Capital Shares Reserved for Future Issuance (in shares)     310,000  
Share-based Payment Arrangement, Expense     $ 86,000 $ 65,000
Share-based Payment Arrangement, Amount Capitalized     0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value     $ 1,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)     0 0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     285 days  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total     $ 273,000  
Executive Officer [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 20,000      
Share Base Compensation Arrangement by Share Based Payment Award Equity Instrument Other Than Options Grants in Period Total Grant Date Fair Value (in dollars per share) $ 4.92      
Share-based Payment Arrangement, Option [Member]        
Share-based Payment Arrangement, Expense     $ 15,000 $ 9,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     2 years 2 years
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount     $ 83,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     1 year 109 days  
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member]        
Share-based Payment Arrangement, Expense     $ 5,000
Non-vested Stock Grants [Member] | Non Employee Directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)     2 years  
Restricted Stock [Member] | Subsidiary CEO And President [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   25,000    
Share Base Compensation Arrangement by Share Based Payment Award Equity Instrument Other Than Options Grants in Period Total Grant Date Fair Value (in dollars per share)   $ 5.86    
Performance Shares [Member]        
Share-based Payment Arrangement, Expense     $ 0 $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)     0  
Performance Shares [Member] | Fiscal Year 2018 [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)       21,125
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value       $ 109,000
Payment, Tax Withholding, Share-based Payment Arrangement       $ 17,000
The 2014 Omnibus Equity Compensation Plan [Member] | Share-based Payment Arrangement, Option [Member] | Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)     10 years