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Summary of Significant Accounting Policies (Fair Value of Financial Instruments) (Details) (USD $)
Dec. 31, 2013
Liabilities  
Warrant liability $ 4,902,000us-gaap_OtherLiabilitiesFairValueDisclosure
Total 4,902,000us-gaap_LiabilitiesFairValueDisclosure
(Level 1)  
Liabilities  
Warrant liability 0us-gaap_OtherLiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
Total 0us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel1Member
(Level 2)  
Liabilities  
Warrant liability 4,902,000us-gaap_OtherLiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
Total 4,902,000us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
(Level 3)  
Liabilities  
Warrant liability 0us-gaap_OtherLiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Total $ 0us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member