XML 63 R41.htm IDEA: XBRL DOCUMENT v2.4.1.9
Net Income (Loss) per Share - Computation of Basic and Diluted Net Income (Loss) per Share (Parenthetical) (Detail)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share [Abstract]    
Options to purchase shares of Common Stock not included in the computation of diluted income per share 112,929us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1,981,028us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount