Subsequent Events (Details) (Subsequent Event [Member], USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of new stock issued during the period under the controlled equity offering	1,325,863
Proceeds from issuance of common stock	$ 2.2
Proceeds From Issuance Of Common Stock Remaining under the controlled equity offering arrangement	$ 3.0