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CAPITAL STOCK (Tables)

12 Months Ended

Jul. 31, 2015

Jul. 31, 2014

Schedule of Valuation Assumptions Used, Share Purchase Warrants [Table Text Block]

Expected Risk Free Interest Rate		1.06%
Expected Annual Volatility		71.23%
Expected Contractual Life in Years		3.00
Expected Annual Dividend Yield		0%

Expected Risk Free Interest Rate		0.60%
Expected Annual Volatility		66.34%
Expected Contractual Life in Years		3.00
Expected Annual Dividend Yield		0%

Schedule of Fair Value Allocation [Table Text Block]

Fair Value of Shares	$	8,000,000
Fair Value of Share Purchase Warrants		1,475,235
Total Fair Value Before Allocation to Net Proceeds	$	9,475,235

Gross Proceeds	$	10,000,000
Share Issuance Costs - Cash		(891,635	)
Net Cash Proceeds Received	$	9,108,365

Relative Fair Value Allocation to:
Shares	$	7,690,249
Share Purchase Warrants		1,418,116
	$	9,108,365

Fair Value of Shares	$	6,390,003
Fair Value of Share Purchase Warrants		627,775
Total Fair Value Before Allocation to Net Proceeds		7,017,778

Gross Proceeds		7,100,003
Share Issuance Costs		(567,880	)
Net Proceeds Received		6,532,123

Relative Fair Value Allocation to:
Shares		5,947,792
Share Purchase Warrants		584,331
	$	6,532,123

Schedule of Share Transaction Activity [Table Text Block]

Period / Description		Common			Value per Share						Issuance
		Shares Issued			Low			High			Value
Balance, July 31, 2012		84,975,155
Debt Financing		407,239		$	2.35		$	2.35		$	1,065,400
Options Exercised ⁽¹⁾		459,891			0.33			0.45			46,464
Consulting Services		60,000			2.00			2.00			120,000
Everest Settlement Agreement		55,000			3.54			3.54			194,700
Yuty Settlement Agreement		75,000			2.54			2.54			190,500
Balance, July 31, 2013		86,032,285
Equity Financing		3,380,954			1.76			1.76			5,947,792
Extension Fees for Debt Amendment		100,000			1.74			1.74			174,347
Annual Fee Shares for Debt Facility		99,755			1.71			1.71			170,581
Bonus Adjustment Shares for Debt Facility		187,079			1.77			1.77			331,130
Consulting Services		635,303			1.06			2.41			1,101,932
Options Exercised ⁽²⁾		470,492			0.33			0.45			27,401
Share Bonus		30,386			1.81			1.81			55,000
Advance Royalty for Workman Creek		30,304			1.15			1.15			34,850
Balance, July 31, 2014		90,966,558
Equity Financing		5,280,045			1.70			2.00			7,659,139
Consulting Services		1,108,390			1.07			2.90			1,851,074
Options Exercised ⁽³⁾		304,657			0.33			1.32			24,550
Share Bonuses		174,437			1.35			1.35			235,490
Balance, July 31, 2015		97,834,087

Schedule of Share Purchase Warrants, Activity [Table Text Block]

								Weighted Average
		Number of			Weighted Average			Remaining Contractual
		Warrants			Exercise Price			Term (Years)
Balance, July 31, 2012		1,558,812		$	4.95			1.45
Issued		2,600,000			2.50			5.00
Expired		(1,008,812	)		7.06			-
Balance, July 31, 2013		3,150,000			2.25			4.55
Issued		1,859,524			2.60			3.00
Balance, July 31, 2014		5,009,524			2.38			3.08
Issued		2,850,000			2.35			2.90
Balance, July 31, 2015		7,859,524		$	2.37			2.38

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Options			Exercise			Term			Fair			Expected			Risk-Free			Dividend			Expected
Date		Issued			Price			(Years)			Value			Life (Years)			Interest Rate			Yield			Volatility
September 3, 2014		7,540,000		$	1.32			5		$	3,750,388			2.90			0.94%			0.00%			56.28%
January 19, 2015		50,000			1.20			5			25,430			2.90			0.77%			0.00%			64.54%
February 10, 2015		50,000			1.31			5			28,714			2.90			1.01%			0.00%			66.72%
Total		7,640,000								$	3,804,532

Schedule Stock Options, Activity [Table Text Block]

								Weighted Average
		Number of Stock			Weighted Average			Remaining Contractual
		Options			Exercise Price			Term (Years)
Balance, July 31, 2012		9,559,271		$	1.95			6.52
Issued		155,000			2.27			9.51
Exercised		(519,909	)		0.37			3.53
Expired		(42,673	)		5.37			-
Forfeited		(185,500	)		2.79			7.22
Balance, July 31, 2013		8,966,189			2.02			5.72
Exercised		(713,900	)		0.41			2.75
Expired		(41,575	)		4.85			-
Forfeited		(223,500	)		3.46			5.48
Balance, July 31, 2014		7,987,214			2.10			4.97
Issued		7,640,000			1.32			4.10
Exercised		(609,390	)		1.16			3.87
Expired		(15,599	)		5.13			-
Forfeited		(126,250	)		2.52			6.20
Cancelled		(4,294,000	)		2.59			5.59
Balance, July 31, 2015		10,581,975		$	1.38			3.68

Schedule of Options Outstanding and Exerciseable [Table Text Block]

		Options Outstanding						Options Exercisable
Range of Exercise Prices		Outstanding at			Weighted Average			Exercisable at			Weighted Average
		July 31, 2015			Exercise Price			July 31, 2015			Exercise Price
$0.33 to $0.70		1,901,801		$	0.41			1,901,801		$	0.41
$0.71 to $2.45		7,727,500			1.39			3,907,500			1.46
$2.46 to $5.90 ⁽¹⁾		952,674			3.30			952,674			3.30
		10,581,975		$	1.38			6,761,975		$	1.42

Schedule of Stock-Based Compensation Expense [Table Text Block]

		Year Ended July 31,
		2015			2014			2013
Stock-Based Compensation for Consultants
Common stock issued for consulting services	$	1,851,074		$	1,101,932		$	120,000
Common stock issued for Yuty Settlement Agreement		-			-			190,500
Common stock issued for bonuses		18,000			-			-
Stock options issued to consultants		588,207			74,992			297,400
		2,457,281			1,176,924			607,900
Stock-Based Compensation for Management
Common stock issued for bonuses		105,998			55,000			-
Stock options issued to management		1,617,937			-			-
		1,723,935			55,000			-
Stock-Based Compensation for Employees
Common stock issued for bonuses		111,492			-			-
Stock options issued to employees		1,325,040			82,321			407,887
		1,436,532			82,321			407,887

Stock-based compensation charged to inventory		-			(4,795	)		(53,872	)
	$	5,617,748		$	1,309,450		$	961,915