Stockholders' Equity Note Disclosure [Text Block] | 7. SHARE CAPITAL Authorized 500,000,000 162,392,996 186,522,683 Share issuances On March 13, 2018, the Company completed a non-brokered private placement pursuant to which it issued 24,000,000 0.50 12,000,000 83,478 129,687 63,593 129,687 Stock options The Company adopted an incentive stock option plan in 2006, as amended September 19, 2012 and reapproved on May 28, 2015 at the Company’s Annual General Meeting (the “2006 Plan”). The essential elements of the 2006 Plan provide that the aggregate number of common shares of the Company’s capital stock that may be made issuable pursuant to options granted under the 2006 Plan may not exceed 10 On March 21, 2018, the Company granted incentive stock options to certain officers, employees and consultants of the Company to purchase a total of 420,085 100 March 21, 2024 0.61 Three Months Ended Year Ended March 31, 2018 December 31, 2017 Number of Weighted Average Exercise Price Aggregate Intrinsic Value (C$) Number of Weighted Average Exercise Price Aggregate Intrinsic Value (C$) Balance, beginning of the period 4,477,000 $ 1.03 6,026,200 $ 1.61 Granted 420,085 $ 0.61 250,000 1.35 Expired (269,000) $ 2.18 (1,650,000) 3.17 Cancelled (400,000) $ 1.01 (149,200) 1.24 Balance, end of the period 4,228,085 $ 0.92 $ 106,503 4,477,000 $ 1.03 $ 38,220 The weighted average remaining life of options outstanding at March 31, 2018 was 4.73 March 31, 2018 December 31, 2017 Expiry Date Exercise Number of Options Exercisable Exercise Number of Options Exercisable March 14, 2018 - - - $ 2.18 300,000 300,000 February 25, 2022 $ 1.11 970,000 970,000 $ 1.11 1,030,000 1,030,000 February 25, 2022 $ 0.73 450,000 450,000 $ 0.73 540,000 540,000 March 10, 2022 $ 1.11 370,000 370,000 $ 1.11 430,000 430,000 March 16, 2023 $ 1.00 1,140,000 1,140,000 $ 1.00 1,260,000 1,260,000 March 16, 2023 $ 0.50 598,000 598,000 $ 0.50 637,000 637,000 June 9, 2023 $ 1.00 30,000 30,000 $ 1.00 30,000 30,000 March 21, 2024 $ 0.61 420,085 420,085 - - - February 1, 2025 $ 1.35 250,000 166,667 $ 1.35 250,000 83,333 4,228,085 4,144,752 4,477,000 4,310,333 Non-vested options: Number of options Weighted average grant-date fair Outstanding at December 31, 2017 166,667 $ 0.40 Granted 420,085 $ 0.48 Vested (503,419) $ 0.47 Outstanding at March 31, 2018 83,333 $ 0.40 At March 31, 2018, there was unrecognized compensation expense of C$ 22,130 0.84 Share-based payments During the three month period ended March 31, 2018, there were 420,085 174,167 During the three month period ended March 31, 2017, there were no incentive stock options granted by the Company. Share-based payment charges for the three months ended March 31, 2017 totaled $ 12,959 QTD March 31, 2018 Expected life of options 6 years Risk-free interest rate 2.12 % Annualized volatility 93.67 % Dividend rate 0.00 % Exercise price (C$) $ 0.61 The expected volatility used in the Black-Scholes option pricing model is based on the historical volatility of the Company’s shares. Deferred Share Unit Incentive Plan On April 4, 2017, the Company adopted a Deferred Share Unit Plan (the “DSU Plan”). On May 24, 2017, at the Company’s Annual General Meeting of Shareholders, the DSU Plan was approved. The maximum aggregate number of Common Shares that could be issued under the DSU Plan and the 2006 Plan is 10% of the number of issued and outstanding Common Shares (on a non-diluted basis). In accordance with the Company’s DSU Plan, on October 23, 2017 the Company granted each of the members of the Board (other than those directors nominated for election by Paulson & Co., Inc.) 129,687 0.62 482,436 Following the resignation of director Mark Hamilton on November 6, 2017, the Company recorded an obligation to issue 129,687 63,593 80,406 Three Months Ended Year Ended March 31, 2018 December 31, 2017 Number of Weighted Average Exercise Price Number of Weighted Average Exercise Price Balance, beginning of the period 648,435 $ 0.62 - $ 0.62 Issued - $ - 778,122 $ 0.62 Exercised - $ - (129,687) $ 0.62 Balance, end of the period 648,435 $ 0.62 648,435 $ 0.62 |