Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of significant accounting policies (Policies)
Notes Tables
Notes Details

Common stock warrants (Details Narrative)

v3.23.1

Common stock warrants (Details Narrative) - USD ($)		3 Months Ended		12 Months Ended
Common stock warrants (Details Narrative) - USD ($)	Nov. 14, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Class of Warrant or Right [Line Items]
Warrants maturity date		Aug. 21, 1998
Warrant redemption price		$ 0.10
Weighted average outstanding warrant exercise price		$ 2.11		$ 2.11
Weighted average contractual life of warrants		15 years 3 months 18 days		15 years 6 months
Warrants, intrinsic value		$ 0		$ 0
Series D Warrants [Member]
Class of Warrant or Right [Line Items]
Weighted average outstanding warrant exercise price		$ 1.60
Number of warrants exercised			2,954
Warrants outstanding		6,250,000
Series H Warrants [Member]
Class of Warrant or Right [Line Items]
Weighted average outstanding warrant exercise price		$ 7		$ 7
Number of warrants cancelled				275,647
Warrants outstanding		$ 413,512		$ 413,512
Number of warrants exercised
Warrants outstanding				413,512
Series H Warrants [Member] \| Lenox Hill Partners, LLC [Member]
Class of Warrant or Right [Line Items]
Number of warrants cancelled	275,647
Series H Warrants [Member] \| Investment Banking Agreement [Member]
Class of Warrant or Right [Line Items]
Weighted average outstanding warrant exercise price		$ 7
Warrants issued		689,159
Warrants term		30 years
Series B Warrants [Member]
Class of Warrant or Right [Line Items]
Number of warrants exercised			87,456
Series B and D Common Stock Warrants [Member]
Class of Warrant or Right [Line Items]
Number of warrants exercised				90,410
Warrants issued		0	0

- Definition

Warrants issued.

+ References

No definition available.

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- Definition

Warrant redemption price.

+ References

No definition available.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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- Definition

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.

+ References

No definition available.

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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

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- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

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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

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- Definition

Number of non-option equity instruments exercised by participants.

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- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

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- Definition

Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

+ References

No definition available.

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

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- Definition

Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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