Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation (Detail) - Stock Option Activity

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Note 6 - Stock-based Compensation (Detail) - Stock Option Activity (USD $)
9 Months Ended
Dec. 30, 2012
Jan. 01, 2012
Outstanding at Beginning of Period (in Dollars per share) $ 3.57 $ 3.31
Outstanding at Beginning of Period 573,000 747,000
Granted (in Dollars per share) $ 5.42 $ 4.81
Granted 110,000 100,000
Exercised (in Dollars per share) $ 3.46 $ 3.20
Exercised (521,750) (196,500)
Forfeited (in Dollars per share) $ 0.71  
Forfeited (1,250)  
Outstanding at End of Period (in Dollars per share) $ 5.23 $ 3.57
Outstanding at End of Period 160,000 650,500
Exercisable at End of Period (in Dollars per share)   $ 3.26
Exercisable at End of Period   500,500