Date the equity-based award expires, in YYYY-MM-DD format.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Schedule of Stock Options Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	7,640,000	11,900,000	8,250,000
Number Vested	7,640,000
Exercise Price One [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	200,000
Exercise Price	$ 0.12
Expiry Date	Sep. 15, 2022
Number Vested	200,000
Exercise Price Two [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	1,750,000
Exercise Price	$ 0.12
Expiry Date	Oct. 24, 2023
Number Vested	1,750,000
Exercise Price Three [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	3,800,000
Exercise Price	$ 0.12
Expiry Date	Sep. 19, 2024
Number Vested	3,800,000
Exercise Price Four [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	640,000
Exercise Price	$ 0.06
Expiry Date	Jul. 31, 2025
Number Vested	640,000
Exercise Price Five [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	1,000,000
Exercise Price	$ 0.08
Expiry Date	Dec. 17, 2022
Number Vested	1,000,000
Exercise Price Six [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of Stock Options Outstanding	250,000
Exercise Price	$ 0.31
Expiry Date	Jun. 06, 2026
Number Vested	250,000