XML 111 R82.htm IDEA: XBRL DOCUMENT v2.4.1.9
Net Income (Loss) Per Share - Schedule of Outstanding Securities (Detail)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Outstanding securities having potential to dilute basic EPS 1,600,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 979,521us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount  
Outstanding Stock Options [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Outstanding securities having potential to dilute basic EPS     3,155,631us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember
Restricted Stock Awards [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Outstanding securities having potential to dilute basic EPS     44,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember
Restricted Stock Units [Member]      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Outstanding securities having potential to dilute basic EPS     708,651us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockUnitsRSUMember