Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-based Compensation (Details Textual)

v3.6.0.2
Note 5 - Stock-based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2016
Jan. 01, 2017
Jul. 03, 2016
Dec. 27, 2015
Sep. 27, 2015
Jun. 28, 2015
Jun. 29, 2014
Jun. 27, 2010
Jan. 01, 2017
Dec. 27, 2015
Apr. 01, 2018
Apr. 02, 2017
Apr. 03, 2016
Mar. 29, 2015
Mar. 29, 2014
Allocated Share-based Compensation Expense   $ 149,000   $ 212,000         $ 456,000 $ 691,000          
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount                 0            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value   94,000             94,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value   94,000             94,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value   45,000             214,000            
Proceeds from Stock Options Exercised   0   0         0 0          
Payments Related to Tax Withholding for Share-based Compensation   14,000   25,000         $ 75,000 37,000          
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                 246 days            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized   460,000             $ 460,000            
Employee Stock Option [Member]                              
Allocated Share-based Compensation Expense   23,000   $ 31,000         $ 88,000 $ 108,000          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                 2 years            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options   $ 103,000             $ 103,000            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                 279 days            
Restricted Stock [Member] | Non Employee Directors [Member]                              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 28,000                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 281,000                            
Restricted Stock [Member] | Employee [Member]                              
Payments Related to Tax Withholding for Share-based Compensation         $ 948,000                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period         240,000                    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period               345,000              
Share Base Compensation Arrangement by Share Based Payment Award Equity Instrument Other Than Options Grants in Period Total Grant Date Fair Value               $ 1,200,000              
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested         $ 1,900,000                    
Performance Shares [Member]                              
Payments Related to Tax Withholding for Share-based Compensation           $ 360,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                 2 years            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                 3 years            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period           94,116                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     41,205     58,532 188,232                
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested           $ 735,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 7.865     $ 7.18 $ 5.65                
Performance Shares [Member] | Awards Granted During 3 Month Period Ended July 03, 2016 [Member]                              
Allocated Share-based Compensation Expense                         $ 108,000    
Performance Shares [Member] | Awards Granted During 3 Month Period Ended July 03, 2016 [Member] | Scenario, Forecast [Member]                              
Allocated Share-based Compensation Expense                     $ 108,000 $ 108,000      
Performance Shares [Member] | Awards Granted During 3 Month Period Ended June 28, 2015 [Member]                              
Allocated Share-based Compensation Expense                         140,000 $ 140,000  
Performance Shares [Member] | Awards Granted During 3 Month Period Ended June 28, 2015 [Member] | Scenario, Forecast [Member]                              
Allocated Share-based Compensation Expense                       $ 140,000      
Performance Shares [Member] | Awards Granted During 3 Month Period Ended June 29, 2014 [Member]                              
Allocated Share-based Compensation Expense                         $ 354,000 $ 354,000 $ 354,000
The 2014 Omnibus Equity Compensation Plan [Member]                              
Common Stock, Capital Shares Reserved for Future Issuance   814,000             814,000