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Note 6 - Stock-based Compensation (Tables)
 9 Months Ended
Nov. 27, 2016
Notes Tables  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
 
 
Outstanding
Options
 
 
Weighted
Average Exercise Price
 
Balance, February 29, 2016
 
 
1,226,392
 
 
$
22.51
 
Granted
   
1,250
     
14.07
 
Exercised
    
-
     
-
 
Terminated or expired
    
(150,314
 )    
21.76
 
Balance, November 27, 2016
 
 
1,077,328
 
 
$
21.05
 
Vested and exercisable, November 27, 2016
 
 
679,329
 
 
$
22.42