Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Schedule of Unvested Warrant Activity) (Details)

v2.4.1.9
Stock-Based Compensation (Schedule of Unvested Warrant Activity) (Details) (Warrants [Member], USD $)
12 Months Ended
Dec. 31, 2014
Warrants [Member]
 
Number of Warrants  
Unvested - December 31, 2013   
Granted 231,250us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Vested (231,250)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Forfeited or Canceled   
Unvested - December 31, 2014   
Weighted Average Grant Date Fair Value  
Unvested - December 31, 2013   
Granted $ 1.87us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Vested $ (1.87)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Forfeited or Canceled   
Unvested - December 31, 2014