Schedule of Share-based Payment Arrangement, Option, Exercise Price Range (Details)	3 Months Ended
Mar. 31, 2022 $ / shares shares	Mar. 31, 2022 $ / shares shares
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of outstanding stock options	9,210,150	9,210,150
Number of exercisable stock options	3,677,710	3,677,710
Range 1 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.45
Number of outstanding stock options	2,030,400	2,030,400
Number of exercisable stock options	525,360	525,360
Expiry date	Jun. 30, 2025
Range 2 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.50
Number of outstanding stock options	859,600	859,600
Number of exercisable stock options	277,400	277,400
Expiry date	Feb. 01, 2026
Range 3 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.50
Number of outstanding stock options	2,520,000	2,520,000
Number of exercisable stock options	100,800	100,800
Expiry date	Feb. 01, 2027
Range 4 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.54
Number of outstanding stock options	506,150	506,150
Number of exercisable stock options	506,150	506,150
Expiry date	Nov. 08, 2022
Range 5 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.54
Number of outstanding stock options	713,000	713,000
Number of exercisable stock options	713,000	713,000
Expiry date	Jun. 04, 2023
Range 6 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 0.66
Number of outstanding stock options	200,000	200,000
Number of exercisable stock options	32,000	32,000
Expiry date	Jul. 12, 2026
Range 7 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares	$ 0.50
Number of outstanding stock options	1,275,000	1,275,000
Number of exercisable stock options	1,275,000	1,275,000
Expiry date	Jun. 04, 2023
Range 8 [Member]
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices per share \| $ / shares		$ 1.02
Number of outstanding stock options	1,106,000	1,106,000
Number of exercisable stock options	248,000	248,000
Expiry date	Apr. 06, 2026

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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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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No definition available.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ 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)(iii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ 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)(i)-(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ 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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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