v2.4.1.9
Net Loss Per Common Share (Details) - Antidilutive Securities (Equity Option [Member])
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Equity Option [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock options 5,438,897us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
3,310,764us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember