Warrants (Narrative) (Details) (USD $)	1 Months Ended
	Aug. 21, 2013
A Warrants [Member]
Class of Warrant or Right [Line Items]
Warrants issued	2,200,000
Number of common stock to be purchased by warrants	2,200,000
Exercise date	Aug. 16, 2018
Number of warrants that convert into one share of common stock	1
Exercise price	$ 2.75
B Warrants [Member]
Class of Warrant or Right [Line Items]
Warrants issued	2,200,000
Number of common stock to be purchased by warrants	1,100,000
Exercise date	May 16, 2014
Number of warrants that convert into one share of common stock	2
Exercise price	$ 2.50