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Note 6 - Share-based Compensation and Employee Benefit Plans (Details) - Changes in nonvested restricted stock awards outstanding (USD $)
3 Months Ended 12 Months Ended
Jun. 29, 2013
Mar. 30, 2013
Mar. 31, 2012
Changes in nonvested restricted stock awards outstanding [Abstract]      
Outstanding, shares 121,500 50,000 60,000
Outstanding, weighted average fair value (in Dollars per share) $ 1.39 $ 1.18 $ 2.40
Granted, shares 101,500 50,000  
Granted, weighted average fair value (in Dollars per share) $ 1.08 $ 1.18  
Vested 30,000    
Vested (in Dollars per share) $ 1.53    
Forfeited, shares   60,000  
Forfeited, weighted average fair value (in Dollars per share)   $ 2.40