| Shareholders' Equity [Text Block] | Note 6-Shareholders' Equity Common Stock Our authorized capital stock consists of 75,000,000 shares of common stock, with a par value of $0.001 per share, and 10,000,000 preferred shares with a par value of $0.001 per share. On June 23, 2021, the Company issued 2,311,000 shares of common stock at a price of $4.50 per Common Share, for gross proceeds of $10,399,500 in connection with the initial tranche of a non-brokered private placement ("Private Placement"). On July 21, 2021, the Company issued 8,734,611 shares of common stock at a price of $4.50 per Common Share, for gross proceeds of $39,305,750 in connection with the second tranche of the non-brokered Private Placement. On August 2, 2021, the Company entered into a series of substantially similar subscription agreements, pursuant to which the Company issued and sold to certain investors, in the final tranche of the Private Placement, an aggregate of 120,550 common shares at a price of $4.50 per share, for gross proceeds of $542,475. In aggregate, the Company issued a total of 11,166,161 common shares for total gross proceeds of $50,247,725. Robert Quartermain, a director and Co-Chair of the Company, purchased 50,000 common shares in the Private Placement. The Company paid a total of $754,598 in share issuance costs related to the Private Placement. During the six months ended September 30, 2021, the Company also issued (i) 1,432,600 shares of common stock valued at $6,964,463 for investment in mineral properties (see Note 3 for additional discussion), (ii) 144,612 shares of common stock valued at $703,646 for settlements of debt (see Note 2 for additional discussion), and (iii) 1,450,000 shares of common stock valued at $7,177,500 as bonus shares to directors, employees and consultants to the Company and (iv) 37,500 shares of common stock for cash consideration of $37,500. For the six months ended September 30, 2021, the share-based compensation expense for the bonus shares was allocated $1,361,250 to exploration costs and $5,816,250 to general and administrative expenses. Of the 1,450,000 shares of common stock issued as bonus shares, 400,000 shares vested on June 4, 2021 and the remaining 1,050,000 shares will vest on June 4, 2022. The share-based compensation expense on the unvested bonus shares is being amortized on a straight-line basis until the vest date. During the three months ended June 30, 2020, the Company issued 374,544 shares of common stock upon cashless exercise of stock options and warrants and during the three months ended September 30, 2020, the Company issued 900,000 shares of common stock for $354,000 in cash upon the exercises of stock options and warrants. In September 2020, warrants to purchase 125,000 shares of common stock were exercised for $50,000 by an investor. These shares were not issued until October 2020.
At September 30, 2021, there were 70,428,204 shares of the Company's common stock outstanding. Common Stock Options, Restricted Stock Units and Warrants On January 25, 2015, the Company's board of directors adopted a plan entitled the "2015 Omnibus Incentive Plan." The 2015 Omnibus Incentive Plan is no longer in effect and no further securities will be issued under the 2015 Omnibus Incentive Plan, other than in respect of 75,000 common stock purchase options that remain outstanding. On March 11, 2021, the Company's board of directors adopted a plan entitled the "2021 Stock Incentive Plan." The 2021 Stock Incentive Plan has a total of 6,250,000 Common Shares available to award to the Company's directors, executive officers and consultants. As of September 30, 2021, a total of 2,103,750 shares of our common stock remained available for future grants under the 2021 Stock Incentive Plan. Outstanding stock options under the 2021 Stock Incentive Plan have a term of five years. Outstanding stock options granted to third-party service providers generally vest over a period of up to two years. The Company recognized stock-based compensation related to issuance of stock options totaling $2,710,715 ($699,887 being allocated to exploration costs and $2,010,828 being allocated to administrative expenses) during the six months ended September 30, 2021. No stock-based compensation was recognized by the Company during the six months ended September 30, 2020. On May 17, 2021, the Company granted 2,071,250 options, to officer, directors and consultants and on September 13, 2021, the Company granted a total of 200,000 options to directors. A summary of the Company's stock option activity and related information for the period ended September 30, 2021 is as follows:
Shares Weighted Average Exercise Price Weighted Average Remaining Contractual Aggregate Intrinsic Value
Outstanding as of March 31, 2021 825,000 $ 1.77
4.61
$ 2,265,000
Options granted 2,271,250 4.79
4.66
(611,100 )
Outstanding as of September 30, 2021 3,096,250 $ 3.99
4.58
$ 1,653,900
Options exercisable as of September 30, 2021 832,083 $ 4.39
4.6
During the six months ended September 30, 2021, we estimated the fair value of each stock option to have a weighted average grant date fair value of $3.39 per share on the date of grant using a Black Scholes valuation model. The weighted-average assumptions used to calculate the grant date fair value were as follows: exercise price of $4.76, risk-free interest rate ranging from 0.39% - 1.02%, estimated volatility between 82.61% and 95.82%, dividend yield of 0%, and expected life of 4.08 to 5 years. As at September 30, 2021 the unrecognized compensation cost related to unvested options was $5,312,119. On September 13, 2021 the Company granted 200,000 Stock Options with a grant date fair value of $5.13 per share to certain directors, vesting over a period of 24 months. The share-based compensation expense for the stock options will be allocated to general and administrative expenses. For the three months ending September 30, 2021, $264,475 was allocated to general and administrative expenses pursuant to these grants. There were no warrants outstanding as of September 30, 2021 and March 31, 2021. |
