Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Share - Calculation of Basic and Diluted Net Income Per Share (Details)

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Net Loss Per Share - Calculation of Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Numerator:        
Net loss $ (3,318) $ (6,291) $ (4,926) $ (7,127)
Basic:        
Weighted average common shares used in computing basic net loss per share 76,799 77,283 76,877 77,004
Add weighted average effect of dilutive securities:        
Stock options and restricted stock 0 0 0 0
Weighted average common shares used in computing diluted net loss per share 76,799 77,283 76,877 77,004
Net loss share:        
Basic (in dollars per share) $ (0.04) $ (0.08) $ (0.06) $ (0.09)
Diluted (in dollars per share) $ (0.04) $ (0.08) $ (0.06) $ (0.09)