Warrants (Details) (Warrant)	6 Months Ended
	Jun. 30, 2014
Warrant
Shares
Outstanding, beginning balance	946,667
Granted
Forfeited
Expired
Exercised
Outstanding, ending balance	946,667
Weighted Average Grant Date Fair Value
Outstanding, beginning balance	41.46
Granted
Forfeited
Expired
Exercised
Outstanding, ending balance	41.46