Warrants | All of the Company’s outstanding warrants are considered to be indexed to the Company’s own stock and are therefore classified as equity under ASC 480. The warrants, in specified situations, provide for certain compensation remedies to a holder if the Company fails to timely deliver the shares underlying the warrants in accordance with the warrant terms. In the registered direct unit offering completed in March 2013, gross proceeds of $3,121,800 were received through the sale of the Company’s units comprised of common share and warrants. The offering was the sale of 181,500 units at a price of $17.20 per unit, with each unit consisting of one common share and a five year warrant to purchase 0.25 of a common share at an exercise price of $21.00 per share (the “March 2013 Warrants”). The fair value of the March 2013 Warrants of $407,558 were initially estimated at closing using the Black-Scholes Option Pricing Model, using volatilities of 63%, risk free interest rates of 0.40%, expected life of 5 years, and dividend yield of Nil. As at November 30, 2018, no March 2013 Warrants are outstanding. In the underwritten public offering completed in July 2013, gross proceeds of $3,075,000 were received through the sale of the Company’s units comprised of common shares and warrants. The offering was the sale of 150,000 units at a price of $20.50 per unit, each unit consisting of one common share and a five year warrant to purchase 0.25 of a common share at an exercise price of $25.50 per share (the “July 2013 Warrants”). As at November 30, 2018, no July 2013 Warrants are outstanding. The fair value of the July 2013 Warrants of $328,350 were initially estimated at closing using the Black-Scholes Option Pricing Model, using volatilities of 62.4%, risk free interest rates of 0.58%, expected life of 5 years, and dividend yield of Nil. In the underwritten public offering completed in June 2016, gross proceeds of $5,200,000 were received through the sale of the Company’s units comprised of common shares and warrants. The Company issued at the initial closing of the offering an aggregate of 322,981 common shares and warrants to purchase an additional 161,490 common shares, at a price of $16.10 per unit. The warrants are currently exercisable, have a term of five years and an exercise price of $19.30 per common share. The underwriter also purchased at such closing additional warrants (collectively with the warrants issued at the initial closing, the “June 2016 Warrants”) at a purchase price of $0.01 per warrant to acquire 24,223 common shares pursuant to the over-allotment option exercised in part by the underwriter. The fair value of the June 2016 Warrants of $1,175,190 was initially estimated at closing using the Black-Scholes Option Pricing Model, using volatility of 64.1%, risk free interest rates of 0.92%, expected life of 5 years, and dividend yield of Nil. The June 2016 Warrants currently outstanding are detailed below. In the registered direct offering completed in October 2017, gross proceeds of $4,000,000 were received through the sale of the Company’s common shares and warrants. The Company issued at the closing of the offering an aggregate of 363,636 common shares at a price of $11.00 per share and warrants to purchase an additional 181,818 common shares. The October 2017 Warrants became exercisable six months following the closing date, will expire 30 months after the date they became exercisable, and have an exercise price of $12.50 per common share. The Company also issued the October 2017 Placement Agents Warrants to purchase 18,181 common shares at an exercise price of $13.75 per share. The holders of October 2017 Warrants and October 2017 Placement Agent Warrants are entitled to a cashless exercise under which the number of shares to be issued will be based on the number of share for which warrants are exercised times the difference between the market price of the common share and the exercise price divided by the market price. The fair value of the October 2017 Warrants of $742,555 was initially estimated at closing using the Black- Scholes Option Pricing Model, using volatility of 73.67%, risk free interest rates of 1.64%, expected life of 3 years, and dividend yield of Nil. The fair value of the October 2017 Placement Agents Warrants was estimated at $86,196 using the Black-Scholes Option Pricing Model, using volatility of 73.67%, a risk free interest rate of 1.64%, an expected life of 3 years, and a dividend yield of Nil. The October 2017 Warrants and the October 2017 Placement Agent Warrants currently outstanding are detailed below. In the two registered direct offerings completed in March 2018, gross proceeds of $5,300,000 were received through the sale of the Company’s common shares and warrants. The Company issued at the closing of the offering an aggregate of 883,333 common shares at a price of $6.00 per share and the March 2018 Warrants to purchase an additional 441,666 common shares. The March 2018 Warrants became exercisable six months following the closing date, will expire 30 months after the date they became exercisable and have an exercise price of $6.00 per common share. The Company also issued the March 2018 Placement Agent Warrants to purchase 44,166 common shares at an exercise price of $7.50 per share. The holders of March 2018 Warrants and March 2018 Placement Agent Warrants are entitled to a cashless exercise under which the number of shares to be issued will be based on the number of share for which warrants are exercised times the difference between the market price of the common share and the exercise price divided by the market price. The fair value of the March 2018 Warrants of $1,115,480 was initially estimated at closing using the Black- Scholes Option Pricing Model, using volatility of 70%, risk free interest rates of 2.44% and 2.46%, expected life of 3 years, and dividend yield of Nil. The fair value of the March 2018 Placement Agent Warrants was estimated at $141,284 using the Black-Scholes Option Pricing Model, using volatility of 70%, risk free interest rates of 2.44% and 2.46%, an expected life of 3 years, and a dividend yield of Nil. The March 2018 Warrants and the March 2018 Placement Agent Warrants currently outstanding are detailed below. In October 2018, the Company completed an underwritten public offering in the United States, resulting in the sale to the public of 827,970 Units at $0.75 per Unit, which are comprised of one common share and one 2018 Unit Warrant (as defined above) exercisable at $0.75 per share. The Company concurrently sold an additional 1,947,261 common shares and 2,608,695 2018 Option Warrants exercisable at $0.75 per share pursuant to the over-allotment option exercised in part by the underwriter. The price of the common shares issued in connection with exercise of the over-allotment option was $0.74 per share and the price for the warrants issued in connection with the exercise of the over-allotment option was $0.01 per warrant, less in each case the underwriting discount. In addition, the Company issued 16,563,335 2018 Pre-Funded Units (as defined above), each 2018 Pre-Funded Unit consisting of one 2018 Pre-Funded Warrant (as defined above) to purchase one common share and one 2018 Warrant (as defined above) to purchase one common share. The 2018 Pre-Funded Units were offered to the public at $0.74 each and a 2018 Pre-Funded Warrant is exercisable at $0.01 per share. Each 2018 Firm Warrant is exercisable immediately and has a term of five years and each 2018 Pre-Funded Warrant is exercisable immediately and until all 2018 Pre-Funded Warrants are exercised. The Company also issued the October 2018 Placement Agent Warrants to the placement agents to purchase 1,160,314 common shares at an exercise price of $0.9375 per share, which were exercisable immediately upon issuance. In aggregate, in October 2018, the Company issued 2,775,231 common shares, 16,563,335 2018 Pre-Funded Warrants and 20,000,000 2018 Firm Warrants in addition to 1,160,314 October 2018 Placement Agent Warrants. The fair value of the 2018 Firm Warrants of $279,086 was initially estimated at closing using the Black-Scholes Option Pricing Model, using volatility of 92%, risk free interest rates of 3.02%, expected life of 5 years, and dividend yield of Nil. The fair value of the October 2018 Placement Agents Warrants was estimated at $461,697 using the Black-Scholes Option Pricing Model, using volatility of 92%, risk free interest rates of 3.02%, an expected life of 5 years, and a dividend yield of Nil. The fair value of the 2018 Pre-Funded Warrant of $12,256,868 and the fair value of the 2018 Firm Warrants of $279,086, respectively, were recorded under Additional paid-in-capital in the consolidated statements of shareholders’ equity (deficiency). During the year ended November 30, 2018, 12,153,334 2018 Pre-Funded Warrants were exercised for proceeds of $121,553, and the Company recorded a charge of $4,262,526 from Additional paid-in-capital to common shares under Capital stock. As at November 30, 2018, 4,410,001 2018 Pre-Funded Warrants are outstanding which are exercisable immediately at $0.01 per share. In addition, the following table provides information on the 22,123,623 warrants including 2018 Firm Warrants outstanding and exercisable as of November 30, 2018: Number Shares issuable Warrant Exercise price outstanding Expiry upon exercise June 2016 Warrants $ 19.30 277,478 June 2, 2021 138,739 October 2017 Warrants $ 12.50 181,818 October 13, 2020 181,818 October 2017 Placement Agent Warrants $ 13.750 18,181 October 13, 2020 18,181 March 2018 Warrants $ 6.00 291,666 March 16, 2021 291,666 March 2018 Warrants $ 6.00 150,000 March 21, 2021 150,000 March 2018 Placement Agent Warrants $ 7.50 29,166 March 16, 2021 29,166 March 2018 Placement Agent Warrants $ 7.50 15,000 March 21, 2021 15,000 2018 Firm Warrants $ 0.75 20,000,000 October 16, 2023 20,000,000 2018 Pre-Funded Warrants $ 0.01 4,410,001 October 16, 2023 4,410,001 October 2018 Placement Agent Warrants $ 0.9375 1,160,314 October 16, 2023 1,160,314 26,533,624 26,394,885 During the year ended November 30, 2018, other than Pre-Funded Warrants as noted above, there were no cash exercises in respect of warrants (2017 – 33,602; 2016 – 83,210) and no cashless exercise (2017 - Nil; 2016 - Nil) of warrants, resulting in the issuance of Nil (2017 – 16,801; 2016 – 35,791) and Nil (2017 - Nil; 2016 - Nil) common shares, respectively. For the warrants exercised, the Company recorded a charge to capital stock of $Nil (2017 - $430,573; 2016 - $1,030,719) comprised of proceeds of $Nil (2017 - $324,258; 2016 - $700,653) and the associated amount of $Nil (2017 - $106,315; 2016 - $330,066) previously recorded in Additional paid-in-capital. Details of warrant transactions for the years ended November 30, 2018 and 2017 are as follows: Outstanding, December 1, 2017 Issued Expired Exercised Rounding on consolidation Outstanding, November 30, 2018 March 2013 Warrants 149,174 - (149,174) - - - July 2013 Warrants 87,000 - (87,000) - - - June 2016 Warrants 277,872 - - - (394) 277,478 October 2017 Warrants 181,818 - - - - 181,818 October 2017 Placement Agent Warrants 18,181 - - - - 18,181 March 2018 Warrants - 441,666 - - - 441,666 March 2018 Placement Agent Warrants - 44,166 - - - 44,166 2018 Firm Warrants - 20,000,000 - - - 20,000,000 2018 Pre-Funded Warrants - 16,563,335 - (12,153,334) - 4,410,001 October 2018 Placement Agent Warrants - 1,160,314 - - - 1,160,314 714,045 38,209,481 (236,174) (12,153,334) (394) 26,533,624 March 2013 Warrants July 2013 Warrants June 2016 Warrants October 2017 Warrants October 2017 Placement Agent Warrants Total Outstanding, December 1, 2016 149,174 87,000 311,474 - - 547,648 Issued - - - 181,818 18,181 199,999 Exercised - - (33,602) - - (33,602) Outstanding, November 30, 2017 149,174 87,000 277,872 181,818 18,181 714,045 |