Earnings Per Share (Detail Textuals) (Common stock warrants)	1 Months Ended
	Mar. 31, 2013	Feb. 20, 2013	May 31, 2011
Common stock warrants
Class of Warrant or Right [Line Items]
Warrants granted		23,637,500	7,128,563
Number of warrants	18,925,389
Exercise of warrants (Shares)	2,900,000