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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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.

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

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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CAPITAL STOCK AND ADDITIONAL PAID IN CAPITAL (Details 3) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Number of stock options outstanding, beginning	34,665,000	34,615,000	35,100,000	34,610,000	29,065,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.14	$ 0.18	$ 0.17	$ 0.19	$ 0.19
Option 1
Number of options exercisable	5,700,000
Number of stock options outstanding, beginning	5,700,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.225
Expiration date	Jan. 19, 2023
Option 2
Number of options exercisable	350,000
Number of stock options outstanding, beginning	350,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.185
Expiration date	Aug. 30, 2023
Option 3
Number of options exercisable	3,240,000
Number of stock options outstanding, beginning	3,240,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.150
Expiration date	May 09, 2024
Option 4
Number of options exercisable	50,000
Number of stock options outstanding, beginning	50,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.130
Expiration date	Jun. 24, 2024
Option 5
Number of options exercisable	7,450,000
Number of stock options outstanding, beginning	7,450,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.065
Expiration date	Mar. 19, 2025
Option 6
Number of options exercisable	100,000
Number of stock options outstanding, beginning	100,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.075
Expiration date	May 22, 2025
Option 7
Number of options exercisable	5,900,000
Number of stock options outstanding, beginning	5,900,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.140
Expiration date	Nov. 13, 2025
Option 8
Number of options exercisable	6,175,000
Number of stock options outstanding, beginning	6,175,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.180
Expiration date	May 23, 2026
Option 9
Number of options exercisable	2,850,000
Number of stock options outstanding, beginning	5,700,000
Weighted average exercise price of stock options outstanding, beginning	$ 0.090
Expiration date	Jun. 14, 2027
Option 10
Number of options exercisable	31,815,000
Number of stock options outstanding, beginning	34,665,000