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, 2013	Dec. 31, 2012	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2012 Maximum [Member]
Risk-free interest rate	0.81%			0.01%	0.25%	0.78%	0.72%
Expected volatility	147.15%			69.10%	101.94%	89.40%	146.03%
Expected life (in years)	4 years 8 months 12 days			1 month 6 days	1 year 10 months 24 days	3 years 10 months 24 days	4 years 10 months 24 days
Expected dividend yield
Number of warrants	474,266	65,263	550,664
Fair value	$ 5,696	$ 48	$ 3,126