Annual report pursuant to Section 13 and 15(d)

Note 15 - Share-based Compensation and Employee Benefit Plans - Changes in Stock Options Outstanding (Details)

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Note 15 - Share-based Compensation and Employee Benefit Plans - Changes in Stock Options Outstanding (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 25, 2017
Mar. 26, 2016
Mar. 28, 2015
Outstanding (in shares) 1,592,200 1,726,975  
Outstanding (in dollars per share) $ 1.52 $ 1.57  
Outstanding (in dollars per share) $ 1.41 $ 1.52 $ 1.57
Outstanding (Year) 6 years 36 days 6 years 292 days 6 years 328 days
Outstanding $ 3 $ 69 $ 219
Granted (in shares) 148,000 35,000  
Granted (in dollars per share) $ 0.97 $ 1.22  
Option exercises (in shares) 48,550  
Exercised (in dollars per share) $ 1.59  
Exercisable (in shares) 782,550    
Exercisable (in dollars per share) $ 1.46    
Exercisable (Year) 5 years 146 days    
Exercisable    
Expected to vest in the future (in shares) 231,635    
Expected to vest in the future (in dollars per share) $ 1.30    
Expected to vest in the future (Year) 7 years 255 days    
Forfeited / Expired (in shares) 635,700 121,225  
Forfeited / Expired (in dollars per share) $ 1.57 $ 2.15  
Outstanding (in shares) 1,104,500 1,592,200 1,726,975
Expected to vest in the future $ 2