Annual report pursuant to Section 13 and 15(d)

Note 5 - Stock-based Compensation (Details Textual)

v3.4.0.3
Note 5 - Stock-based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended 24 Months Ended 61 Months Ended
Mar. 30, 2016
Mar. 29, 2016
Jul. 29, 2015
Mar. 30, 2015
Aug. 31, 2015
Aug. 31, 2014
Jun. 29, 2014
Jun. 27, 2010
Mar. 26, 2017
Apr. 03, 2016
Mar. 29, 2015
Mar. 30, 2014
Apr. 03, 2016
Jul. 28, 2015
Director [Member] | Restricted Stock [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period         28,000 28,000                
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period                   2 years        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested         $ 226,000 $ 223,000                
Officer [Member] | Performance Shares [Member] | Awards Granted During 3 Month Period Ended June 28, 2015 [Member] | Scenario, Forecast [Member]                            
Allocated Share-based Compensation Expense                 $ 140,000          
Officer [Member] | Performance Shares [Member] | Awards Granted During 3 Month Period Ended June 28, 2015 [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period   29,267                        
Allocated Share-based Compensation Expense                     $ 140,000   $ 140,000  
Payments Related to Tax Withholding for Share-based Compensation   $ 138,000                        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested   $ 275,000                        
Officer [Member] | 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    
Officer [Member] | Performance Shares [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 94,116     94,116                    
Payments Related to Tax Withholding for Share-based Compensation                   360,000 429,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested                   $ 883,000 735,000      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period             188,232     58,532        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value             $ 5.65     $ 7.18        
Restricted Stock [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period     240,000                      
Payments Related to Tax Withholding for Share-based Compensation     $ 948,000                      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                   216 days        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested     $ 1,900,000                      
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            
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized                   $ 330,000     330,000  
Performance Shares [Member]                            
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, Award Vesting Period                   2 years        
Employee Stock Option [Member] | The 2014 Omnibus Equity Compensation Plan [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period                   10 years        
Employee Stock Option [Member]                            
Allocated Share-based Compensation Expense                   $ 144,000 143,000      
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options                   $ 79,000     $ 79,000  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition                   174 days        
The 2014 Omnibus Equity Compensation Plan [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized                   1,000,000     1,000,000  
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount                   $ 0        
Proceeds from Stock Options Exercised                   0 0      
Allocated Share-based Compensation Expense                   906,000 862,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value                   300,000 42,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value                   532,000     $ 532,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value                   300,000     $ 300,000  
Payments Related to Tax Withholding for Share-based Compensation                   $ 118,000 $ 17,000      
Share-based Compensation Arrangement by Share-based Payment Award, Accelerated Vesting, Number                           105,000