Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expenses:
General and administrative	346,736	315,085	1,478,107	1,144,314
Research and development	134,452	325,096	472,126	374,138
Mineral lease	69,220	53,134	207,660	159,405
Total operating expenses	550,408	693,315	2,157,893	1,677,857
Loss from operations	(550,408)	(693,315)	(2,157,893)	(1,677,857)
Other (income) expense:
(Gain) loss on derivative	74,996	(13,698)	264,202	(13,698)
(Gain) loss on extinguishment of debt	(1,700)	209,360	(1,700)	209,360
Interest expense	0	84,224	0	374,370
Total other (income) expense	73,296	279,886	262,502	570,032
Loss before provision for income taxes	(623,704)	(973,201)	(2,420,395)	(2,247,889)
Provision for income taxes	(406)	(100)	(506)	(400)
Net loss	(624,110)	(973,301)	(2,420,901)	(2,248,289)
Less: cumulative preferred stock dividends	(106,137)	0	(276,214)
Net loss attributable to common stockholders	$ (730,247)	$ (973,301)	$ (2,697,115)	$ (2,248,289)
Net loss per common share - basic and diluted	$ (0.02)	$ (0.03)	$ (0.08)	$ (0.08)
Weighted average common shares outstanding - basic and diluted	33,153,840	29,863,547	32,188,545	29,387,348