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Note 17 - Earnings Per Share (Tables)
12 Months Ended
Aug. 27, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Year Ended

 
   

August 27,
2014

   

August 28,
2013

   

August 29,
2012

 
 

(In thousands, except per share data)

Numerator:

                       

Income from continuing operations

  $ (1,613

)

  $ 4,547     $ 7,398  

Net income

  $ (3,447

)

  $ 3,161     $ 6,753  

Denominator:

                       

Denominator for basic earnings per share—weighted-average shares

    28,812       28,618       28,351  

Effect of potentially dilutive securities:

                       

Employee and non-employee stock options

          248       78  

Denominator for earnings per share assuming dilution

    28,812       28,866       28,429  

Income from continuing operations:

                       

Basic

  $ (0.06

)

  $ 0.16     $ 0.26  

Assuming dilution (a)

  $ (0.06

)

  $ 0.16     $ 0.26  

Net income per share:

                       

Basic

  $ (0.12

)

  $ 0.11     $ 0.24  

Assuming dilution (a)

  $ (0.12

)

  $ 0.11     $ 0.24