Stockholders' Equity Note Disclosure [Text Block] |
Equity Financing During Fiscal 2014, the Company filed a Form S-3 “Shelf” Registration Statement effective January 10, 2014 (the “2014 Shelf”) providing for the public offer and sale of certain securities of the Company from time to time, at its discretion, up to an aggregate offering of $100 million. On March 10, 2016, the Company completed a registered offering of 12,364,704 units at a price of $0.85 per unit for gross proceeds of $10,510,000 pursuant to a prospectus supplement to the 2014 Shelf. Each unit is comprised of one share of the Company and half of one share purchase warrant, with each whole warrant being exercisable at a price of $1.20 to purchase one share of the Company totaling 6,182,351 for a three year period from the date of issuance. The Company issued share purchase warrants to agents as part of share issuance costs to purchase 411,997 shares of the Company exercisable at a price of $1.20 per share also for a three year period from the date of issuance. The shares were valued at the Company’s closing price of $0.81 per share at March 10, 2016. The share purchase warrants were valued using the Black-Scholes option pricing model with the following assumptions: Expected Risk Free Interest Rate | | 1.11 | % | Expected Annual Volatility | | 74.34 | % | Expected Contractual Life in Years | | 3.00 | | Expected Annual Dividend Yield | | 0.00 | % | The net proceeds from the 2014 Shelf equity financing were allocated to the fair values of the shares and share purchase warrants as presented below: Fair Value of Shares | | $ | 10,015,410 | | Fair Value of Share Purchase Warrants | | | 1,938,995 | | Total Fair Value Before Allocation to Net Proceeds | | $ | 11,954,405 | | | | | | | Gross Proceeds | | $ | 10,510,000 | | Share Issuance Costs - Cash | | | (525,482) | | Net Cash Proceeds Received | | $ | 9,984,518 | | | | | | | Relative Fair Value Allocation to: | | | | | Shares | | $ | 8,365,038 | | Share Purchase Warrants | | | 1,619,480 | | | | $ | 9,984,518 | | At April 30, 2016, a total of $35.1 million of the 2014 Shelf was utilized through the following registered offerings and sales of units, with a remaining available balance of $64.9 million under the 2014 Shelf. | · | on June 25, 2015: $10.0 million in gross proceeds through an offering of units consisting of the Company’s shares and share purchase warrants and $6.7 million representing the aggregate exercise price of those share purchase warrants and agents’ share purchase warrants should they be exercised in full; and | | · | on March 10, 2016: $10.5 million in gross proceeds through an offering of units consisting of the Company’s shares and share purchase warrants and $7.9 million representing the aggregate exercise price of those share purchase warrants and agents’ share purchase warrants should they be exercised in full. | Share Transactions A summary of the Company’s share transactions for the three and nine months ended April 30, 2016 are as follows: | | Common | | Value per Share | | Issuance | | Period / Description | | Shares Issued | | Low | | High | | Value | | Balance, July 31, 2015 | | | 97,834,087 | | | | | | | | | | | Bonus Shares for Credit Facility | | | 752,320 | | $ | 1.20 | | $ | 1.20 | | $ | 900,000 | | Consulting Services | | | 274,982 | | | 1.03 | | | 1.38 | | | 305,594 | | Share Compensation | | | 33,315 | | | 1.00 | | | 1.12 | | | 35,264 | | Balance, October 31, 2015 | | | 98,894,704 | | | | | | | | | | | Consulting Services | | | 581,421 | | | 0.72 | | | 1.12 | | | 608,179 | | Share Compensation | | | 71,588 | | | 1.06 | | | 1.08 | | | 76,236 | | Options Exercised | | | 682,167 | | | 0.33 | | | 0.33 | | | 225,115 | | Balance, January 31, 2016 | | | 100,229,880 | | | | | | | | | | | Second Extension Fee Shares for Credit Facility | | | 959,613 | | | 0.83 | | | 0.83 | | | 800,000 | | Settlement of Current Liabilities | | | 487,574 | | | 0.93 | | | 0.93 | | | 453,444 | | Equity Financing | | | 12,364,704 | | | 0.85 | | | 0.85 | | | 10,510,000 | | Asset Acquisition | | | 1,333,560 | | | 0.92 | | | 0.92 | | | 1,226,875 | | Consulting Services | | | 514,440 | | | 0.73 | | | 0.93 | | | 424,316 | | Share Compensation | | | 202,884 | | | 0.75 | | | 0.96 | | | 167,830 | | Balance, April 30, 2016 | | | 116,092,655 | | | | | | | | | | | Share Purchase Warrants A summary of share purchase warrants outstanding and exercisable at April 30, 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 | | 2.86 | | | 1.35 | | | 2,600,000 | | January 30, 2020 | | 3.75 | | | 1.95 | | | 50,000 | | June 3, 2018 | | 2.09 | | | 2.12 | | | 2,850,000 | | June 25, 2018 | | 2.15 | | | 2.60 | | | 1,859,524 | | October 23, 2016 | | 0.48 | | $ | 1.61 | | | 13,953,872 | | | | 2.56 | | Stock Options At April 30, 2016, the Company had one stock option plan, the 2015 Stock Incentive Plan (the “2015 Plan”). The 2015 Plan provides for up to 9,600,250 shares of the Company that may be issued pursuant to awards that may be granted together with an additional 10,569,301 shares of the Company that may be issued pursuant to stock options previously granted under the Company’s prior 2014 Stock Incentive Plan (the “2014 Plan”). The 2015 Plan supersedes and replaces the Company’s prior 2014 Plan, which superseded and replaced the Company’s prior 2013, 2009 and 2006 Stock Incentive Plans, such that no further shares are issuable under those prior plans. A summary of stock options granted by the Company during the nine months ended April 30, 2016, including corresponding grant date fair values and assumptions using the Black Scholes option pricing model is as follows: | | Options | | Exercise | | Term | | Fair | | Expected | | Risk-Free | | | Dividend | | | Expected | | Date | | Issued | | Price | | (Years) | | Value | | Life (Years) | | Interest Rate | | | Yield | | | Volatility | | August 7, 2015 | | | 105,000 | | $ | 1.32 | | | 5 | | $ | 68,824 | | | 2.90 | | | 1.04 | % | | | 0.00 | % | | | 77.17 | % | October 14, 2015 | | | 1,000,000 | | | 1.14 | | | 5 | | | 563,195 | | | 2.90 | | | 0.81 | % | | | 0.00 | % | | | 77.01 | % | January 12, 2016 | | | 300,000 | | | 0.98 | | | 5 | | | 145,902 | | | 2.90 | | | 1.15 | % | | | 0.00 | % | | | 76.96 | % | Total | | | 1,405,000 | | | | | | | | $ | 777,921 | | | | | | | | | | | | | | | | A continuity schedule of outstanding stock options for the underlying common shares for the nine months ended April 30, 2016 is as follows: | | Number of Stock Options | | Weighted Average Exercise Price | | Balance, July 31, 2015 | | | 10,581,975 | | $ | 1.38 | | Issued | | | 1,105,000 | | | 1.16 | | Forfeited | | | (5,000) | | | 1.32 | | Balance, October 31, 2015 | | | 11,681,975 | | | 1.36 | | Issued | | | 300,000 | | | 0.98 | | Exercised | | | (682,167) | | | 0.33 | | Forfeited | | | (180,000) | | | 1.32 | | Expired | | | (1,950) | | | 5.90 | | Balance, January 31, 2016 | | | 11,117,858 | | | 1.42 | | Forfeited | | | (72,500) | | | 1.81 | | Balance, April 30, 2016 | | | 11,045,358 | | $ | 1.41 | | At April 30, 2016, the aggregate intrinsic value under the provisions of ASC 718 of all outstanding stock options was estimated at $439,068 (vested: $439,068 and unvested: $Nil). At April 30, 2016, unrecognized stock-based compensation expense related to the unvested portion of stock options granted under the Company’s 2015 Plan totaled $226,003 to be recognized over the next 0.76 years. A summary of stock options outstanding and exercisable at April 30, 2016 is as follows: | | Options Outstanding | | Options Exercisable | | | | | | | Weighted | | Weighted Average | | | | | Weighted | | | Weighted Average | | | | | | | Average | | Remaining | | | | | Average | | | Remaining | | Range of | | Outstanding at | | Exercise | | Contractual Term | | Exercisable at | | Exercise | | | Contractual Term | | Exercise Prices | | April 30, 2016 | | Price | | (Years) | | April 30, 2016 | | Price | | | (Years) | | $0.45 to $0.96 | | | 1,269,634 | | $ | 0.47 | | | 1.56 | | | 1,269,634 | | $ | 0.47 | | | 1.56 | | $0.97 to $2.45 | | | 8,840,000 | | | 1.35 | | | 3.54 | | | 8,057,500 | | | 1.37 | | | 3.44 | | $2.46 to $5.70 | | | 935,724 | | | 3.29 | | | 4.09 | | | 935,724 | | | 3.29 | | | 4.09 | | | | | 11,045,358 | | $ | 1.41 | | | 3.36 | | | 10,262,858 | | $ | 1.44 | | | 3.27 | | Stock-Based Compensation A summary of stock-based compensation expense is as follows: | | Three Months Ended April 30 | | Nine Months Ended April 30 | | | | 2016 | | 2015 | | 2016 | | 2015 | | Stock-Based Compensation for Consultants | | | | | | | | | | | | | | Common stock issued for consulting services | | $ | 470,549 | | $ | 502,854 | | $ | 1,429,324 | | $ | 1,380,279 | | Stock options issued to consultants | | | (4,461) | | | 346,995 | | | 66,317 | | | 721,430 | | | | | 466,088 | | | 849,849 | | | 1,495,641 | | | 2,101,709 | | Stock-Based Compensation for Management | | | | | | | | | | | | | | Common stock issued to management | | | 45,299 | | | - | | | 81,495 | | | - | | Stock options issued to management | | | 195,464 | | | 263,306 | | | 640,789 | | | 1,424,585 | | | | | 240,763 | | | 263,306 | | | 722,284 | | | 1,424,585 | | Stock-Based Compensation for Employees | | | | | | | | | | | | | | Common stock issued to employees | | | 76,299 | | | - | | | 106,602 | | | - | | Stock options issued to employees | | | 15,710 | | | 204,723 | | | 163,124 | | | 1,102,250 | | | | | 92,009 | | | 204,723 | | | 269,726 | | | 1,102,250 | | | | $ | 798,860 | | $ | 1,317,878 | | $ | 2,487,651 | | $ | 4,628,544 | |
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