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Note 5 - Stock-based Compensation (Tables)
12 Months Ended
Aug. 26, 2012
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   
2005 Stock
Option Plan
 
   
Shares
   
Average
Price
 
Outstanding at August 30, 2009
    174,666     $ 4.08  
  Granted
    45,000       2.32  
  Forfeited
    -       -  
  Exercised
    -       -  
Outstanding at August 29, 2010
    219,666     $ 3.72  
  Granted
    61,000       5.39  
  Forfeited
    (7,000 )     4.18  
  Exercised
    (25,500 )     3.30  
Outstanding at August 28, 2011
    248,166     $ 4.16  
  Granted
    47,500       5.09  
  Forfeited
    (3,500 )     4.99  
  Exercised
    (27,666 )     3.02  
Outstanding at August 26, 2012
    264,500     $ 4.44  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
   
Options
   
Average Price
 
Outstanding at August 30, 2009
    86,139       4.20  
  Granted
    58,405       2.38  
  Vested
    ( 20,129 )     4.72  
  Forfeited
    (41,104 )     3.78  
Outstanding at August 29, 2010
    83,311       3.00  
  Granted
    37,715       6.13  
  Vested
    (22,478 )     2.46  
  Forfeited
    (44,405 )     4.33  
Outstanding at August 28, 2011
    54,143     $ 5.08  
  Granted
    38,662       5.52  
  Vested
    (22,537 )     3.77  
  Forfeited
    (19,661 )     6.77  
Outstanding at August 26, 2012
    50,607     $ 5.35