Subsequent Event (Details) (Subsequent Event [Member], USD $)	0 Months Ended
	Jan. 30, 2014
Subsequent Event [Member]
Subsequent Events [Line Items]
Sale of common stock in a private placement (in shares)	3,336,800
Sale of common stock in a private placement (in dollars per share)	$ 2.00
Issued warrants to purchase common stock (in shares)	1,668,400
Exercise price of warrants issued (in dollars per share)	$ 2.81