Note 7 - Stock Options (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Number of options		Weighted average exercise price		Aggregate Intrinsic Value
Options outstanding, December 31, 2020		3,850,000	$	0.36	$	3,363,000
Granted		1,465,000		0.86		-
Options outstanding, December 31, 2021		5,315,000		0.49		3,910,950
Granted		100,000		0.80		-
Options outstanding, March 31, 2022		5,415,000	$	0.50	$	745,000

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Exercise price (CAD)		Number of options outstanding		Expiry date	Number of options exercisable		Remaining contractual life (years)
$	0.350		3,600,000	July 21, 2023		2,160,000		1.31
$	0.450		250,000	December 21, 2023		100,000		1.73
$	1.200		500,000	January 29, 2024		200,000		1.83
$	0.800		375,000	June 10, 2024		75,000		2.20
$	0.600		590,000	October 14, 2024		-		2.54
$	0.80		100,000	January 31, 2025		-		2.84
			5,415,000			2,535,000