Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share - Summary of Basic and Diluted Earnings Per Share (Detail)

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Net Income (Loss) Per Share - Summary of Basic and Diluted Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Numerator:    
Net loss $ (2,300) $ (6,562)
Denominator:    
Weighted average common shares outstanding-basic (shares) 32,821 33,312
Dilutive common stock equivalents (shares) 0 0
Weighted average common shares outstanding-diluted (shares) 32,821 33,312
Net loss per share:    
Basic (usd per share) $ (0.07) $ (0.20)
Diluted (usd per share) $ (0.07) $ (0.20)