CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit During Exploration Stage [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning Balance at Dec. 14, 2005
Issuance of common stock for cash, $0.001 per share	$ 1				$ 1
Issuance of common stock for cash, $0.001 per share (Shares)	1,000
Net loss			(174,500)		(174,500)
Ending Balance at Apr. 30, 2006	1		(174,500)		(174,499)
Ending Balance (Shares) at Apr. 30, 2006	1,000
Issuance of common stock for cash, $0.001 per share	12,500				12,500
Issuance of common stock for cash, $0.001 per share (Shares)	12,500,000
Issuance of common stock for cash, $0.01 per share	7,800	70,200			78,000
Issuance of common stock for cash, $0.01 per share (Shares)	7,800,000
Issuance of common stock for mineral property options, $0.01 per share	1,050	9,450			10,500
Issuance of common stock for mineral property options, $0.01 per share (Shares)	1,050,000
Issuance of common stock for cash, $0.10 per share	1,250	123,750			125,000
Issuance of common stock for cash, $0.10 per share (Shares)	1,250,000
Issuance of common stock for cash, Reg. S - Private Placement, $0.10 per share	1,800	178,200			180,000
Issuance of common stock for cash, Reg. S - Private Placement, $0.10 per share (Shares)	1,800,000
Issuance of common stock in acquisition of intellectual property and equipment, $0.10 per share	2,000	198,000			200,000
Issuance of common stock in acquisition of intellectual property and equipment, $0.10 per share (Shares)	2,000,000
Net loss			(517,768)		(517,768)
Ending Balance at Apr. 30, 2007	26,401	579,600	(692,268)		(86,267)
Ending Balance (Shares) at Apr. 30, 2007	26,401,000
Issuance of common stock for cash and subscriptions received, Reg. S - Private Placement, $0.25 per share	2,482	618,100			620,582
Issuance of common stock for cash and subscriptions received, Reg. S - Private Placement, $0.25 per share (Shares)	2,482,326
Issuance of common stock for cash, Reg. D - Private Placement, $0.25 per share	3,300	821,700			825,000
Issuance of common stock for cash, Reg. D - Private Placement, $0.25 per share (Shares)	3,300,000
Issuance of common stock in reverse acquisition of Centrus Ventures Inc.	13,969	(77,164)			(63,195)
Issuance of common stock in reverse acquisition of Centrus Ventures Inc. (Shares)	13,968,926
Issuance of stock options for 4,340,000 shares of common stock to three officers and five consultants.		3,583,702			3,583,702
Net loss			(5,256,444)		(5,256,444)
Ending Balance at Apr. 30, 2008	46,152	5,525,938	(5,948,712)		(376,622)
Ending Balance (Shares) at Apr. 30, 2008	46,152,252
Issuance of common stock for cash, Reg. S - Private Placement, $0.50 per share; with attached warrants exercisable at $0.75 per share	200	99,800			100,000
Issuance of common stock for cash, Reg. S - Private Placement, $0.50 per share; with attached warrants exercisable at $0.75 per share (Shares)	200,000
Issuance of common stock in satisfaction of debt, $0.30 per share, with attached warrants exercisable at $0.50 per share.	451	134,777			135,228
Issuance of common stock in satisfaction of debt, $0.30 per share, with attached warrants exercisable at $0.50 per share. (Shares)	450,760
Issuance of stock options for 5,000,000 shares of common stock to two officers and nine consultants.		342,550			342,550
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share.	12,400	607,600			620,000
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	12,400,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share.	1,337	65,505			66,842
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	1,336,840
Issuance of common stock to one officer as compensation pursuant to the management consulting agreement.	3,000	117,000			120,000
Issuance of common stock to one officer as compensation pursuant to the management consulting agreement. (Shares)	3,000,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.	9,140	447,860			457,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	9,140,000
Net loss			(1,717,000)		(1,717,000)
Ending Balance at Apr. 30, 2009	72,680	7,341,030	(7,665,712)		(252,002)
Ending Balance (Shares) at Apr. 30, 2009	72,679,852
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share.	2,000	98,000			100,000
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	2,000,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share.	500	24,500			25,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	500,000
Issuance of common stock for warrants excercised, $0.10 per share, in satisfaction of debt for legal services.	295	29,205			29,500
Issuance of common stock for warrants excercised, $0.10 per share, in satisfaction of debt for legal services. (Shares)	295,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services.	750	36,750			37,500
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services. (Shares)	750,000
Issuance of common stock to investor relations services firm pursuant to terms of consulting agreement.	1,500				1,500
Issuance of common stock to investor relations services firm pursuant to terms of consulting agreement. (Shares)	1,500,000
Issuance of common stock in satisfaction of loans to the Company, $0.10 per share, with attached warrants excercisable at $0.20 per share.	3,500	346,500			350,000
Issuance of common stock in satisfaction of loans to the Company, $0.10 per share, with attached warrants excercisable at $0.20 per share. (Shares)	3,500,000
Issuance of stock options for 7,000,000 shares of common stock to two directors and nine consultants.		391,478			391,478
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services. 2	900	44,100			45,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services. 2 (Shares)	900,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services. 3	100	4,900			5,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt for legal services. 3 (Shares)	100,000
Issuance of common stock for warrants excercised, $0.10 per share, in satisfaction of debt for legal services. 2	105	10,395			10,500
Issuance of common stock for warrants excercised, $0.10 per share, in satisfaction of debt for legal services. 2 (Shares)	105,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	1,775	87,000			88,775
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	1,775,500
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	19,400	950,600			970,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	19,400,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.	8,280	405,720			414,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	8,280,000
Net loss			(1,929,128)		(1,929,128)
Ending Balance at Apr. 30, 2010	111,785	9,770,178	(9,594,840)		287,123
Ending Balance (Shares) at Apr. 30, 2010	111,785,352
Issuance of common stock to investor relations services firm pursuant to terms of consulting agreement.	315	15,435			15,750
Issuance of common stock to investor relations services firm pursuant to terms of consulting agreement. (Shares)	315,000
Issuance of stock options for 6,000,000 shares of common stock to three directors and eight consultants.		178,159			178,159
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt.	1,700	83,300			85,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt. (Shares)	1,700,000
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt. 2	1,950	95,550			97,500
Issuance of common stock for options excercised, $0.05 per share, in satisfaction of debt. 2 (Shares)	1,950,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	17,020	833,980			851,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	17,020,000
Issuance of common stock to two officers and three consultants as as compensation for services previously provided	2,550	124,950			127,500
Issuance of common stock to two officers and three consultants as as compensation for services previously provided (Shares)	2,550,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.	13,100	641,900			655,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	13,100,000
Net loss			(1,692,134)		(1,692,134)
Ending Balance at Apr. 30, 2011	148,420	11,743,452	(11,286,974)		604,898
Ending Balance (Shares) at Apr. 30, 2011	148,420,352
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share.	10,340	506,660			517,000
Issuance of common stock in satisfaction of loans made to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	10,340,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share.	2,680	131,320			134,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	2,680,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	1,000	49,000			50,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	1,000,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	9,000	441,000			450,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	9,000,000
Issuance of common stock for mineral property options, $0.04 per share	350	13,650			14,000
Issuance of common stock for mineral property options, $0.04 per share (Shares)	350,000
Issuance of warrants for 30,000 shares of common stock to one vendor for services provided.		11,496			11,496
Issuance of common stock to one consultant as compensation pursuant to terms of consulting agreement.	320	15,680			16,000
Issuance of common stock to one consultant as compensation pursuant to terms of consulting agreement. (Shares)	320,000
Issuance of common stock to one consultant as compensation pursuant to terms of consulting agreement. 2	640	21,760			22,400
Issuance of common stock to one consultant as compensation pursuant to terms of consulting agreement. 2 (Shares)	640,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.	10,000	490,000			500,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	10,000,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.2	2,743	134,397			137,140
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.2 (Shares)	2,742,789
Issuance of warrants for 1,030,000 shares of common stock to one consultant pursuant to terms of consulting agreement.		42,073			42,073
Net loss			(1,743,848)		(1,743,848)
Ending Balance at Apr. 30, 2012	185,493	13,600,488	(13,030,822)		755,159
Ending Balance (Shares) at Apr. 30, 2012	185,493,141
Issuance of common stock in satisfaction of debt, $0.02 per share, with attached warrants exercisable at $0.10 per share	100	1,900			2,000
Issuance of common stock in satisfaction of debt, $0.02 per share, with attached warrants exercisable at $0.10 per share (Shares)	100,000
Issuance of warrants exercisable at $0.10 per share for 100,000 shares of common stock in satisfaction of debt		1,387			1,387
Net loss			(1,319,011)		(1,319,011)
Ending Balance at Apr. 30, 2013	185,593	13,603,775	(14,349,833)		(560,465)
Ending Balance (Shares) at Apr. 30, 2013	185,593,141
Issuance of stock options for 18,100,000 shares of common stock to three directors and four consultants.		542,487			542,487
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share.	6,520	319,480			326,000
Issuance of common stock in satisfaction of debt, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	6,520,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2	13,800	676,200			690,000
Issuance of common stock in satisfaction of loans to the Company, $0.05 per share, with attached warrants exercisable at $0.10 per share. 2 (Shares)	13,800,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share.	6,900	338,100			345,000
Issuance of common stock for cash, $0.05 per share, with attached warrants exercisable at $0.10 per share. (Shares)	6,900,000
Issuance of stock options for 1,500,000 shares of common stock to one consultant.		29,485			29,485
Contribution on 50% of future profits from Scottsdale facility		163,654			163,654
Net loss			(1,444,222)		(1,444,222)
Comprehensive loss				(500,000)	(500,000)
Ending Balance at Apr. 30, 2014	$ 212,813	$ 15,673,181	$ (15,794,055)	$ (500,000)	$ (408,061)
Ending Balance (Shares) at Apr. 30, 2014	212,813,141