Warrant Dividend (Details) (USD $)	9 Months Ended
	Sep. 30, 2013
Warrant Dividend [Abstract]
Dividend declaration date	Aug. 06, 2013
Dividend date of record	Jul. 29, 2013
Number of warrants received for each share of common stock (in shares)	5
Number of warrants that entitle holder to purchase one share of common stock (in shares)	25
Warrant exercise price (in dollars per share)	$ 7.50
Warrant expiration date	Aug. 06, 2018
Number of days to determine volume weighted average price per share	30 days
Minimum volume weighted average price per share (in dollars per share)	$ 15.00