Quarterly report [Sections 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)

v3.26.1

Common stock warrants (Details Narrative) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Common stock warrants (Details Narrative) - USD ($)	Jun. 30, 2026	Jun. 30, 2026	Dec. 31, 2025	Oct. 14, 2023	Dec. 31, 2022	Dec. 31, 2009
Class of Warrant or Right [Line Items]
Warrants maturity date	Aug. 21, 1998	Aug. 21, 1998
Warrant exercise price	$ 0.64	$ 0.64	$ 0.64			$ 7
Warrant redemption price	$ 0.10	$ 0.10
Warrant outstanding						$ 689,159
Weighted average contractual life of warrants		12 years	12 years 6 months
Number of warrants exercised	0	0
Warrants, intrinsic value	$ 52,700	$ 52,700	$ 255,425
Series D Warrants [Member]
Class of Warrant or Right [Line Items]
Warrant exercise price	$ 0.02	$ 0.02	$ 0.02	$ 0.02	$ 1.60
Warrant redemption price	$ 0.10	$ 0.10	$ 0.10	$ 0.10
Warrants outstanding shares	4,250,000	4,250,000	4,250,000
Series H Warrants [Member]
Class of Warrant or Right [Line Items]
Warrant exercise price	$ 7	$ 7	$ 7
Warrants outstanding shares	413,512	413,512
Warrant outstanding	$ 413,512	$ 413,512	$ 413,512
Number of warrants exercised

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Warrant redemption price.

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

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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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Weighted-average contractual term remaining for equity-based award excluding option, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Number of non-option equity instruments exercised by participants.

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

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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.

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