Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stock-based Compensation (Details Textual)

v3.21.2
Note 13 - Stock-based Compensation (Details Textual) - USD ($)
3 Months Ended
Jun. 27, 2021
Jun. 28, 2020
Common Stock, Capital Shares Reserved for Future Issuance (in shares) 49  
Share-based Payment Arrangement, Expense $ 132,000 $ 86,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value 527,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value 358,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 89,000  
Proceeds from Stock Options Exercised 0 0
Payment, Tax Withholding, Share-based Payment Arrangement $ 34,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month) 7 months 21 days  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 431,000  
Non Employee Directors [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 2 years  
Share-based Payment Arrangement, Option [Member]    
Share-based Payment Arrangement, Expense $ 33,000 $ 15,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 2 years  
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount $ 352,000  
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Month) 14 months 27 days