Note 6 - Share Capital (Tables)

12 Months Ended

May 31, 2019

Notes Tables

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

	2019						2018
	Number of Options			Weighted Average Exercise Price			Number of Options			Weighted Average Exercise Price
Balance, beginning of the year		9,861,900		$	0.85			8,846,900		$	0.87
Granted		4,920,000			2.06			1,840,000			0.77
Exercised		(4,651,900	)		(0.93	)		(256,660	)		(0.66	)
Forfeited		(130,000	)		(1.81	)		(568,340	)		(0.93	)
Balance, end of the year		10,000,000		$	1.40			9,861,900		$	0.85

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

	2019						2018
Expiry Date	Exercise Price		Number of Options		Exercisable at Year- End		Exercise Price		Number of Options		Exercisable at Year- End
September 19, 2017*	$	0.96		–		–	$	0.96		1,966,900		1,966,900
August 16, 2018*	$	0.76		–		–	$	0.76		2,095,000		2,095,000
September 8, 2019	$	1.40		635,000		635,000	$	1.40		1,250,000		1,250,000
September 9, 2020	$	0.46		620,000		620,000	$	0.46		625,000		625,000
November 13, 2020	$	0.49		1,000,000		1,000,000	$	0.49		1,000,000		1,000,000
September 15, 2021	$	0.91		1,085,000		1,085,000	$	0.91		1,085,000		722,610
July 31, 2022	$	0.77		1,840,000		612,720	$	0.77		1,840,000		–
November 19, 2023	$	2.06		4,420,000		–	$	–		–		–
April 9, 2024	$	2.04		400,000		–	$	–		–		–
				10,000,000		3,952,720				9,861,900		7,659,510

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

For the year ended May 31,	2019			2018
Risk-free interest rate		2.22	%		1.65	%
Expected life of options (in years)		5			5
Annualized volatility		73.88	%		79.14	%
Dividend yield		0	%		0	%
Exercise price	$	2.06		$	0.77
Fair value per share	$	1.51		$	0.52

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

For the year ended May 31,	2019		2018
Consulting fees	$	728,748	$	306,510
Exploration expenditures – Geological/geophysical		140,318		55,464
Investor relations		218,853		92,351
Professional fees		12,051		7,332
Wages and benefits		533,987		211,576
	$	1,633,957	$	673,233