Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- 2. Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

8. Stock Options and Warrants (Details-Warrant Exercise Price per Share)

v3.21.2

8. Stock Options and Warrants (Details-Warrant Exercise Price per Share) - Warrants [Member] - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Outstanding Warrants
Warrants outstanding	8,683,677	13,065,084	21,055,355
Life (Years), warrants outstanding	9 months 18 days
Weighted Average Exercise Price, warrants outstanding	$ 0.11
Exercisable Warrants
Warrants exercisable	8,650,344
Weighted Average Exercise Price, warrants exercisable	$ 0.11
$0.05-$0.24 Price Per Share [Member]
Outstanding Warrants
Warrants outstanding	6,613,677
Life (Years), warrants outstanding	9 months 18 days
Weighted Average Exercise Price, warrants outstanding	$ 0.04
Exercisable Warrants
Warrants exercisable	6,580,344
Weighted Average Exercise Price, warrants exercisable	$ 0.04
$0.25-$0.49 Price Per Share [Member]
Outstanding Warrants
Warrants outstanding	2,000,000
Life (Years), warrants outstanding	9 months 18 days
Weighted Average Exercise Price, warrants outstanding	$ 0.3
Exercisable Warrants
Warrants exercisable	2,000,000
Weighted Average Exercise Price, warrants exercisable	$ 0.3
$0.50-$1.00 Price Per Share [Member]
Outstanding Warrants
Warrants outstanding	70,000
Life (Years), warrants outstanding	3 years 3 months 19 days
Weighted Average Exercise Price, warrants outstanding	$ 0.8
Exercisable Warrants
Warrants exercisable	70,000
Weighted Average Exercise Price, warrants exercisable	$ 0.8

- Definition

Warrants exercisable [Abstract]

+ References

No definition available.

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- Definition

Warrants outstanding [Abstract]

+ References

No definition available.

+ Details

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit 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
-Subparagraph (c)(2)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, 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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- Definition

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. 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.

+ References

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-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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