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.

No definition available.

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- Definition

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

+ 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
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: 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 http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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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

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Stock Options And Warrants (Summary Of Weighted Average Remainining Contractual Life Of Options) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options outstanding	429,675,799	150,275,799	151,475,799
Exercise Price 0.0150 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0150
Number of options outstanding	35,000,000
Weighted Average remaining contractual life (years)	1 year 7 months 24 days
Exercise Price 0.0131 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0131
Number of options outstanding	60,000,000
Weighted Average remaining contractual life (years)	1 year 1 month 2 days
Exercise Price 0.0130 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0130
Number of options outstanding	15,000,000
Weighted Average remaining contractual life (years)	1 year 2 months 19 days
Exercise Price 0.0100 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0100
Number of options outstanding	6,675,799
Weighted Average remaining contractual life (years)	1 year 6 months 29 days
Exercise Price 0.0053 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0053
Number of options outstanding	12,500,000
Weighted Average remaining contractual life (years)	1 year 7 months 13 days
Exercise Price 0.0040 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0040
Number of options outstanding	500,000
Weighted Average remaining contractual life (years)	9 months 11 days
Exercise Price 0.0019 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0019
Number of options outstanding	283,000,000
Weighted Average remaining contractual life (years)	4 years 18 days
Exercise Price 0.0018 [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Excerise prices	$ 0.0018
Number of options outstanding	17,000,000
Weighted Average remaining contractual life (years)	4 years 5 months 1 day