Stockholders' Equity (Details 2) (Warrant [Member])	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Warrant [Member]
Expected warrant life (years)	3 years	3 years
Risk-free weighted average interest rate	0.78%	0.37%
Stock price volatility	62.80%	46.40%
Dividend yield	0.80%	1.60%