Quarterly report pursuant to Section 13 or 15(d)

Basic and diluted Net Income (Loss) Per Share - Schedule of Computation of Diluted Net Income Loss Per Share (Details)

v2.4.1.9
Basic and diluted Net Income (Loss) Per Share - Schedule of Computation of Diluted Net Income Loss Per Share (Details)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Total common stock equivalents 59,533,925us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 47,386,020us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Warrant [Member]    
Total common stock equivalents 31,781,610us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
28,405,782us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
Stock Option [Member]    
Total common stock equivalents 27,752,315us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_PlanNameAxis
= us-gaap_StockOptionMember
18,980,238us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_PlanNameAxis
= us-gaap_StockOptionMember