Fair Value Measurement (Details 1) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Expected life (in years)	4 years 8 months
Expected dividend yield
Number of warrants	75,757	550,664
Fair value	$ 76,506	$ 3,125,393
Minimum [Member]
Risk-free interest rate	0.10%	0.16%
Expected volatility	1.41%	91.79%
Expected life (in years)	3 months 15 days	10 months
Maximum [Member]
Risk-free interest rate	1.04%	0.72%
Expected volatility	106.35%	146.03%
Expected life (in years)	4 years 4 months 8 days	4 years 11 months