Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share - Additional Information (Detail)

v2.4.0.8
Net Income (Loss) Per Share - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Computation Of Earnings Per Share Line Items    
Shares excluded from dilutive shares outstanding because their effect was anti-dilutive 2,236,933 2,456,022