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Shareholders Equity - Stock Option Activity (Details) - Stock option | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 $ / shares shares | Dec. 31, 2020 $ / shares shares | Mar. 15, 2019 $ / $
Share Compensation Plan |  |  |
Average share price, converted to US$ using rate of Cdn | $ / $ |  |  | 1.33
Number of Options Outstanding |  |  |
Balance at period-end (in shares) | shares | 245,000 | 245,000 |
Exercisable at period-end (in shares) | shares | 245,000 | 245,000 |
Weighted average exercise price |  |  |
Balance at period-end (in dollars per share) | $ / shares | $ 5.27 | $ 5.27 |
Exercisable at period-end (in dollars per share) | $ / shares | $ 5.27 | $ 5.27 |
Additional disclosures |  |  |
Weighted average expected remaining term | 1 year 8 months 15 days |  |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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