Note 8 - Warrants (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

Schedule of Warrants or Right [Table Text Block]

	Number of warrants			Weighted average exercise price
Warrants outstanding, December 31, 2021 and 2022		17,400,000		$	0.28
Expired		(4,900,000	)	$	1.00
Warrants outstanding, September 30, 2023		12,500,000		$	0.001

Exercise price				Number of warrants outstanding		Expiry date	Number of warrants exercisable		Remaining contractual life (years)
$	0.001	(1)	(USA)		12,500,000	June 4, 2025		-		1.68
					12,500,000			-