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)

v3.25.3

Common stock warrants (Details Narrative) - USD ($)	9 Months Ended	12 Months Ended
Common stock warrants (Details Narrative) - USD ($)	Sep. 30, 2025	Dec. 31, 2024	Oct. 14, 2023	Sep. 30, 2023
Class of Warrant or Right [Line Items]
Warrants maturity date	Aug. 21, 1998
Warrant redemption price	$ 0.10
Aggregate common stock, shares exercise price	$ 0.64	$ 0.64
Weighted average contractual life of warrants	12 years 9 months	13 years 6 months
Number of warrants exercised	0
Warrants, intrinsic value	$ 340,000	$ 237,150
Series D Warrants [Member]
Class of Warrant or Right [Line Items]
Aggregate common stock, shares exercise price	$ 0.02		$ 0.02	$ 1.60
Warrant redemption price	$ 0.10		$ 0.10	$ 0.10
Warrants outstanding shares	4,250,000
Series H Warrants [Member]
Class of Warrant or Right [Line Items]
Aggregate common stock, shares exercise price	$ 7	$ 7
Warrants outstanding	413,512	413,512
Number of warrants exercised
Warrants outstanding shares	413,512
Series H Warrants [Member] \| Investment Banking Agreement [Member]
Class of Warrant or Right [Line Items]
Aggregate common stock, shares exercise price	$ 7
Warrants outstanding	689,159
Warrants term	30 years

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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.

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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.

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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.

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