XML 33 R37.htm IDEA: XBRL DOCUMENT v2.4.1.9
Fair Value Measurement (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 2 Months Ended 12 Months Ended
Mar. 06, 2013
Dec. 31, 2014
Dec. 31, 2013
Risk-free interest rate 0.81%us-gaap_FairValueAssumptionsRiskFreeInterestRate    
Expected volatility 147.15%us-gaap_FairValueAssumptionsExpectedVolatilityRate    
Expected life (in years) 4 years 8 months 12 days    
Expected dividend yield       
Number of warrants 474,266us-gaap_ClassOfWarrantOrRightOutstanding 58,448us-gaap_ClassOfWarrantOrRightOutstanding 65,263us-gaap_ClassOfWarrantOrRightOutstanding
Fair value $ 5,696us-gaap_AdvancesFairValueDisclosure    48us-gaap_AdvancesFairValueDisclosure
Minimum [Member]      
Risk-free interest rate   0.02%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 0.01%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Expected volatility   69.10%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		 69.10%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
Expected life (in years)   1 month 6 days 1 month 6 days
Expected dividend yield        
Maximum [Member]      
Risk-free interest rate   0.11%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 0.78%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Expected volatility   86.10%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		 89.40%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Expected life (in years)   3 years 4 months 24 days 3 years 10 months 24 days
Expected dividend yield