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CAPITAL STOCK (Tables)
3 Months Ended
Oct. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]  
Schedule of Share Transactions [Table Text Block]
A summary of the Company’s share transactions for the three months ended October 31, 2016 are as follows:
 
 
 
Common
 
Value per Share
 
Issuance
 
Period / Description
 
Shares Issued
 
Low
 
High
 
Value
 
Balance, July 31, 2016
 
 
116,670,457
 
 
 
 
 
 
 
 
 
 
Mineral Property
 
 
46,800
 
$
1.04
 
$
1.04
 
$
48,672
 
Consulting Services
 
 
166,926
 
 
0.90
 
 
1.06
 
 
175,908
 
Options Exercised (2)
 
 
133,125
 
 
0.45
 
 
0.45
 
 
59,906
 
Settlement of Current Liabilities
 
 
88,822
 
 
1.03
 
 
1.03
 
 
91,488
 
Shares Issued Under Stock Incentive Plan
 
 
292,957
 
 
0.93
 
 
1.09
 
 
291,770
 
Balance, October 31, 2016
 
 
117,399,087
 
 
 
 
 
 
 
 
 
 
 
(2) 100,000 options were exercised on a forfeiture basis, of which 46,875 shares with issuance value of $21,094 were given up as payment for the exercise price, and 53,125 net shares with issuance value of $23,906 were issued as a consequence of such exercise.
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
A summary of share purchase warrants outstanding and exercisable at October 31, 2016 are as follows:
 
Weighted
Average
Exercise Price
 
Number of Warrants
Outstanding
 
Expiry Date
 
Weighted Average
Remaining Contractual
Life (Years)
 
$
1.20
 
 
6,594,348
 
March 10, 2019
 
 
2.35
 
 
1.35
 
 
2,600,000
 
January 30, 2020
 
 
3.25
 
 
1.95
 
 
50,000
 
June 3, 2018
 
 
1.59
 
 
2.35
 
 
2,850,000
 
June 25, 2018
 
 
1.65
 
$
1.51
 
 
12,094,348
 
 
 
 
2.38
 
Schedule of Share based Compensation Arrangement by Share based Payment Award Options Grants in Period Activity [Table Text Block]
A summary of stock options granted by the Company during the three months ended October 31, 2016, including corresponding grant date fair values and assumptions using the Black Scholes option pricing model is as follows:
 
Date
 
Options
Issued
 
Exercise
Price
 
Term
(Years)
 
Fair
Value
 
Expected
Life (Years)
 
Risk-Free
Interest Rate
 
Dividend
Yield
 
Expected
Volatility
 
August 2, 2016
 
 
182,500
 
$
0.93
 
 
5.00
 
$
90,222
 
 
2.90
 
 
0.78
%
 
0.00
%
 
84.14
%
August 12, 2016
 
 
190,000
 
 
1.12
 
 
5.00
 
 
106,339
 
 
2.90
 
 
0.81
%
 
0.00
%
 
78.07
%
Total
 
 
372,500
 
 
 
 
 
 
 
$
196,561
 
 
 
 
 
 
 
 
 
 
 
 
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
A continuity schedule of outstanding stock options for the underlying common shares for the three months ended October 31, 2016 is as follows:
 
 
 
Number of Stock
Options
 
Weighted Average
Exercise Price
 
Weighted Average
Remaining Contractual
Term (Years)
 
Balance, July 31, 2016
 
 
12,105,858
 
$
1.34
 
 
3.36
 
Issued
 
 
372,500
 
 
1.03
 
 
4.77
 
Exercised
 
 
(180,000)
 
 
0.45
 
 
-
 
Expired
 
 
(10,724)
 
 
5.13
 
 
-
 
Balance, October 31, 2016
 
 
12,287,634
 
$
1.34
 
 
3.21
 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
A summary of stock options outstanding and exercisable at October 31, 2016 is as follows:
 
 
 
Options Outstanding
 
Options Exercisable
 
Range of Exercise Prices
 
Outstanding at
October 31, 2016
 
Weighted Average
Exercise Price
 
Exercisable at
October 31, 2016
 
Weighted Average
Exercise Price
 
$0.45 to $0.96
 
 
2,900,134
 
$
0.76
 
 
1,496,634
 
$
0.60
 
$0.97 to $2.45
 
 
8,512,500
 
 
1.34
 
 
7,922,500
 
 
1.36
 
$2.46 to $5.70
 
 
875,000
 
 
3.29
 
 
875,000
 
 
3.29
 
 
 
 
12,287,634
 
$
1.34
 
 
10,294,134
 
$
1.42
 
Schedule Of Stock based Compensation Expense [Table Text Block]
A summary of stock-based compensation expense is as follows:
 
 
 
Three Months Ended October 31,
 
 
 
2016
 
2015
 
Stock-Based Compensation for Consultants
 
 
 
 
 
 
 
Common stock issued for consulting services
 
$
269,132
 
$
325,595
 
Stock options issued to consultants
 
 
78,272
 
 
8,635
 
 
 
 
347,404
 
 
334,230
 
Stock-Based Compensation for Management
 
 
 
 
 
 
 
Common stock issued to management
 
 
88,200
 
 
15,264
 
Stock options issued to management
 
 
245,019
 
 
180,315
 
 
 
 
333,219
 
 
195,579
 
Stock-Based Compensation for Employees
 
 
 
 
 
 
 
Common stock issued to employees
 
 
110,346
 
 
-
 
Stock options issued to employees
 
 
194,292
 
 
96,633
 
 
 
 
304,638
 
 
96,633
 
 
 
$
985,261
 
$
626,442