Summarizes derivative warrant activity (Details) (USD $)	Derivative Shares	Non-derivative Shares	Total Warrant Shares	Fair Value of Derivative Warrants	Reclassification of Derivative Liability	(Gain) Loss Change in Fair Value of Derivative Liability
Derivative Warrants Balance at Mar. 31, 2013	2,951,424	2,281,753	5,233,177	(486,113)	0	0
Issuance of warrants	42,302,198	1,247,076	42,549,274	(472,374)	0	0
Exercise of warrants	(12,144,847)	0	(12,144,847)	857,566	0	0
Mark to market	$ 0	$ 0	$ 0	$ (5,290,703)	$ 0	$ 5,290,703
Derivative Warrants Blalance ; at Mar. 31, 2014	33,108,775	3,528,829	36,637,604	(5,391,624)	0	0
Issuance of warrants,	10,336,097	5,184,353	15,520,450	(2,493,287)	0	0
Exercise of warrants,	(23,103,575)	0	(23,103,575)	4,202,944	0	0
Mark to market,	0	0	0	1,215,623	1,215,623	0
Derivative warrants Balance: at Dec. 31, 2014	20,341,297	8,713,182	36,637,604	(2,466,344)	0	0