Subsequent Events (Details)	3 Months Ended		12 Months Ended	1 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012	Apr. 16, 2013 Subsequent Event [Member]
Subsequent Events (Textual) [Abstract]
Stock split ratio	six-for-five stock	six-for-five stock	six-for-five stock	six-for-five stock