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Note 3 - Stock-Based Compensation (Tables)
9 Months Ended
Dec. 29, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
         
Weighted
             
         
Average
   
Weighted Average
       
   
Number
   
Exercise
   
Remaining
   
Aggregate
 
   
Of
   
Price Per
   
Contractual
   
Intrinsic
 
   
Shares
   
Share
   
Term (in years)
   
Value
 
Outstanding as of March 31, 2012
    597     $ 5.94                  
Granted
    -       -                  
Exercised
    (20 )     3.08                  
Cancelled/Forfeited
    (21 )     6.70                  
Outstanding as of December 29, 2012
    556       6.01       4     $ 470  
Exercisable as of December 29, 2012
    548       6.01       4       470