Note 5 - Stockholders' Equity, Options, and Warrants (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

					Weighted
			Weighted		Average
			Average		Remaining		Aggregate
Fixed Options	Shares		Exercise Price		Contractual Life		Intrinsic Value
Outstanding at December 31, 2024		26,087,500	$	0.05		6.1
Granted		725,000		0.05
Exercised		—		—
Expired		—		—
Forfeited		175,000		0.04
Outstanding at September 30, 2025		26,637,500		0.05		5.4	$	445,800
Exercisable at September 30, 2025		20,322,500	$	0.05		4.4	$	310,950

Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

Non-Vested Restricted Stock Units	Number of restricted stock units			Weighted average grant-date fair value
Outstanding at December 31, 2024		5,250,000		$	0.04
Granted		—
Vested and Exercised		(2,250,000	)		0.04
Forfeited / Cancelled		—
Outstanding at September 30, 2025		3,000,000		$	0.04