XML 29 R24.htm IDEA: XBRL DOCUMENT v2.4.1.9
Net Loss Per Share (Details 1)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share Basic [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11,188,138us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 11,034,321us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Outstanding stock options    
Earnings Per Share Basic [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,190,112us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
1,043,494us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
Unvested restricted stock units    
Earnings Per Share Basic [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 627,024us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember
610,700us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_RestrictedStockMember
Warrants to purchase common stock    
Earnings Per Share Basic [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 9,371,002us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember
9,380,127us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_WarrantMember