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Note 10 - Net Income (Loss) Per Share (Tables)
12 Months Ended
Mar. 29, 2015
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

March 29,

2015

   

March 30,

2014

   

March 31,

2013

 

Net income (loss) before non-controlling interests

  $ (45,007

)

  $ 5,801     $ 2,882  

Net income (loss) attributable to non-controlling interests

    (37

)

           

Net income (loss) attributable to Exar Corporation

    (44,970

)

    5,801       2,882  

Shares used in computation of net income (loss) per share:

                       

Basic

    47,253       47,291       45,809  

Effect of options and awards

          1,532       667  

Diluted

    47,253       48,823       46,476  

Net income (loss) per share to common stockholders:

                       

Basic

  $ (0.95

)

  $ 0.12     $ 0.06  

Diluted

  $ (0.95

)

  $ 0.12     $ 0.06