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Note 11 - Earnings Per Share (Tables)
9 Months Ended
May 06, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Quarter Ended

   

Three Quarters Ended

 
   

May 6,

2015

   

May 7,

2014

   

May 6,

2015

   

May 7,

2014

 
 

(12 weeks)

(12 weeks)

(36 weeks)

(36 weeks)

 

(In thousands except per share data)

Numerator:

                               

Income (loss) from continuing operations

  $ 2,529     $ 1,741     $ (1,516

)

  $ (532

)

Loss from discontinued operations

    (176

)

    (12

)

    (509

)

    (1,468

)

Net income (loss)

  $ 2,353     $ 1,729     $ (2,025

)

  $ (2,000

)

Denominator:

                               

Denominator for basic earnings per share – weighted-average shares

    29,009       28,791       28,940       28,777  

Effect of potentially dilutive securities:

                               

Employee and non-employee stock options

    102       685              

Denominator for earnings per share assuming dilution

    29,111       29,476       28,940       28,777  

Income (loss) per share from continuing operations:

                               

Basic

  $ 0.09     $ 0.06     $ (0.05

)

  $ (0.02

)

Assuming dilution

  $ 0.09     $ 0.06     $ (0.05

)

  $ (0.02

)

Loss per share from discontinued operations:

                               

Basic

  $ (0.01

)

  $     $ (0.02

)

  $ (0.05

)

Assuming dilution

  $ (0.01

)

  $     $ (0.02

)

  $ (0.05

)

Net income (loss) per share:

                               

Basic

  $ 0.08     $ 0.06     $ (0.07

)

  $ (0.07

)

Assuming dilution

  $ 0.08     $ 0.06     $ (0.07

)

  $ (0.07

)