CAPITAL STOCK (Details 2) - USD ($)	12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015		Jul. 31, 2014
Share Transactions [Line Items]
Balance Begining	97,834,087	90,966,558		86,032,285
Common stock Issued for equity financing, net of issuance costs	$ 8,365,037	$ 7,659,139		$ 5,947,792
Balance Ending	116,670,457	97,834,087		90,966,558
Shares Issued For Credit Facility [Member]
Share Transactions [Line Items]
Common Shares Issued	1,711,933			386,834
Common stock Issued for equity financing, net of issuance costs	$ 1,700,000			$ 676,058
Shares Issued For Credit Facility [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.83			$ 1.71
Shares Issued For Credit Facility [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 1.20			$ 1.77
Settlement of Current Liabilities [Member]
Share Transactions [Line Items]
Common Shares Issued	487,574
Common stock Issued for equity financing, net of issuance costs	$ 453,444
Settlement of Current Liabilities [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.93
Settlement of Current Liabilities [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.93
Equity Financing [Member]
Share Transactions [Line Items]
Common Shares Issued	12,364,704	5,280,045		3,380,954
Common stock Issued for equity financing, net of issuance costs	$ 9,984,517	$ 7,659,139		$ 5,947,792
Equity Financing [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.85	$ 1.70		$ 1.76
Equity Financing [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.85	$ 2.00		$ 1.76
Asset Acquisition [Member]
Share Transactions [Line Items]
Common Shares Issued	1,333,560
Common stock Issued for equity financing, net of issuance costs	$ 1,226,875
Asset Acquisition [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.92
Asset Acquisition [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.92
Share Bonuses [Member]
Share Transactions [Line Items]
Common Shares Issued		174,437		30,386
Common stock Issued for equity financing, net of issuance costs		$ 235,490		$ 55,000
Share Bonuses [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share		$ 1.35		$ 1.81
Share Bonuses [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share		$ 1.35		$ 1.81
Consulting Services [Member]
Share Transactions [Line Items]
Common Shares Issued	1,429,650	1,108,390		635,303
Common stock Issued for equity financing, net of issuance costs	$ 1,372,381	$ 1,851,074		$ 1,101,932
Consulting Services [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.72	$ 1.07		$ 1.06
Consulting Services [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 1.38	$ 2.90		$ 2.41
Options Exercised [Member]
Share Transactions [Line Items]
Common Shares Issued	682,167	304,657	[1]	470,492	[2]
Common stock Issued for equity financing, net of issuance costs	$ 225,115	$ 24,550	[1]	$ 27,401	[2]
Options Exercised [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.33	$ 0.33	[1]	$ 0.33	[2]
Options Exercised [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.33	$ 1.32	[1]	$ 0.45	[2]
Advance Royalty for Workman Creek [Member]
Share Transactions [Line Items]
Common Shares Issued				30,304
Common stock Issued for equity financing, net of issuance costs				$ 34,850
Advance Royalty for Workman Creek [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share				$ 1.15
Advance Royalty for Workman Creek [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share				$ 1.15
Stock Incentive Plan [Member]
Share Transactions [Line Items]
Common Shares Issued	826,782
Common stock Issued for equity financing, net of issuance costs	$ 726,244
Stock Incentive Plan [Member] | Minimum [Member]
Share Transactions [Line Items]
Value per Share	$ 0.73
Stock Incentive Plan [Member] | Maximum [Member]
Share Transactions [Line Items]
Value per Share	$ 1.08

[1] 535,000 options were exercised on a forfeiture basis resulting in 230,267 net shares issued.

[2] 631,250 options were exercised on a forfeiture basis resulting in 387,842 net shares issued.