Note 7 - Net Income (Loss) Per Share (Tables)
9 Months Ended
Sep. 28, 2014
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended

   

Nine Months Ended

 
   

September 28, 2014

   

September 29, 2013

   

September 28, 2014

   

September 29, 2013

 
    (in thousands except for per-share amounts)  

Numerator:

                               

Net loss

  $ (10,846 )   $ (36,904 )   $ (45,315 )   $ (54,570 )

Denominator:

                               

Denominator for basic / diluted net loss per share, weighted average shares

    61,543       58,785       60,705       58,506  
                                 

Net loss per share:

                               

Basic / Diluted net loss per share

  $ (0.18 )   $ (0.63 )   $ (0.75 )   $ (0.93 )

Potentially dilutive shares excluded from the diluted net loss per share computation because their effect would have been anti-dilutive RSUs, PSUs, options and the employee stock purchase plan

    7,846       4,441       7,174       4,555  

Conversion of Senior Exchangeable Notes

    10,814       3,996       10,814       1,352  

Total antidilutive shares

    18,660       8,437       17,988       5,907