Stockholders' Equity Note Disclosure [Text Block] | 6. SHARE CAPITAL Authorized 500,000,000 common shares without par value. At December 31, 2018 and March 31, 2019, there were 186,990,683 and 187,111,857 shares issued and outstanding, respectively. Share issuances During the three months ended March 31, 2019, the Company issued 121,174 common shares pursuant to the exercise of stock options for total proceeds of $64,254 and transferred related contributed surplus of $51,283 to share capital. Stock options The Company adopted an incentive stock option plan in 2006, as amended September 19, 2012 and reapproved by the Company’s shareholders on May 28, 2015 and May 30, 2018 (the “2006 Plan”). The essential elements of the 2006 Plan provide that the aggregate number of common shares of the Company’s capital stock that may be issued pursuant to options granted under the 2006 Plan may not exceed 10% of the number of issued shares of the Company at the time of the granting of the options. Options granted under the 2006 Plan will have a maximum term of ten years. The exercise price of options granted under the 2006 Plan shall be fixed in compliance with the applicable provisions of the TSX Company Manual in force at the time of grant and, in any event, shall not be less than the closing price of the Company’s common shares on the TSX on the trading day immediately preceding the day on which the option is granted, or such other price as may be agreed to by the Company and accepted by the TSX. Options granted under the 2006 Plan vest immediately, unless otherwise determined by the directors at the date of grant. A summary of the status of the 2006 Plan as of March 31, 2019 and December 31, 2018 and changes is presented below: Three Months Ended Year Ended March 31, 2019 December 31, 2018 Number of Options Weighted Average Exercise Price (C$) Aggregate Intrinsic Value (C$) Number of Options Weighted Average Exercise Price (C$) Aggregate Intrinsic Value (C$) Balance, beginning of the period 3,655,991 $ 0.98 4,477,000 $ 1.03 Granted - - 420,085 0.61 Exercised (121,174 ) 0.70 (468,000 ) 0.50 Expired - - (269,000 ) 2.18 Cancelled - - (504,094 ) 0.95 Balance, end of the period 3,534,817 $ 0.99 $ 59,734 3,655,991 $ 0.98 $ 67,899 The weighted average remaining life of options outstanding at March 31, 2019 was 3.73 years. Stock options outstanding are as follows: March 31, 2019 December 31, 2018 Expiry Date Exercise Price (C$) Number of Options Exercisable Exercise Price (C$) Number of Options Exercisable February 25, 2022 $ 1.11 970,000 970,000 $ 1.11 970,000 970,000 February 25, 2022 $ 0.73 270,000 270,000 $ 0.73 360,000 360,000 March 10, 2022 $ 1.11 370,000 370,000 $ 1.11 370,000 370,000 March 16, 2023 $ 1.00 1,140,000 1,140,000 $ 1.00 1,140,000 1,140,000 March 16, 2023 $ 0.50 130,000 130,000 $ 0.50 130,000 130,000 June 9, 2023 $ 1.00 30,000 30,000 $ 1.00 30,000 30,000 March 21, 2024 $ 0.61 374,817 374,817 $ 0.61 405,991 405,991 February 1, 2025 $ 1.35 250,000 250,000 $ 1.35 250,000 166,667 3,534,817 3,534,817 3,655,991 3,572,658 A summary of the non-vested options as of March 31, 2019 and changes during the three months ended March 31, 2019 is as follows: Non-vested options: Number of options Weighted average grant- date fair value (C$) Outstanding at December 31, 2018 83,333 $ 0.40 Vested (83,333 ) $ 0.40 Outstanding at March 31, 2019 - - At March 31, 2019, there was no unrecognized compensation expense related to non-vested options outstanding. Share-based payments During the three month period ended March 31, 2019, there were no stock options granted by the Company. Share-based payment charges for the three months ended March 31, 2019 totaled $1,686 During the three month period ended March 31, 2018, there were 420,085 stock options granted by the Company. Share-based payment charges for the three months ended March 31, 2018 totaled $174,167. 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 may 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). During the year ended December 31, 2018, in accordance with the Company’s DSU Plan, on October 17, 2018 the Company granted each of the members of the Board of Directors (other than those directors nominated for election by Paulson & Co., Inc.) 101,220 DSUs with a grant date fair value (defined as the weighted average of the prices at which the common shares traded on the exchange with the most volume for the five trading days immediately preceding the grant) of C$0.82 per grant, or an aggregate of C$581,003. The DSUs entitle the holders to receive common shares of the Company’s stock without the payment of any consideration. The DSUs vested immediately upon being granted but the common shares of stock underlying the DSUs are not deliverable to the grantee until the grantee is no longer serving on the Company’s Board of Directors. DSUs outstanding are as follows: Three Months Ended Year Ended March 31, 2019 December 31, 2018 Number of Units Weighted Average Exercise Price (C$) Number of Units Weighted Average Exercise Price (C$) Balance, beginning of the period 1,356,975 $ 0.72 648,435 $ 0.62 Issued - - 708,540 $ 0.82 Balance, end of the period 1,356,975 $ 0.72 1,356,975 $ 0.72 |