Note 9 - Warrants (Tables)

9 Months Ended

Nov. 30, 2020

Notes Tables

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

	November 30, 2020				February 28, 2020
	Warrants		Price (a)		Warrants			Price (a)
Beginning balance		3,925,000	$	.25		2,129,802		$	1.00
Issued	––		––			2,925,000			.19
Exercised	––		––		––			––
Expired	––		––			(1,129,802	)	––
Ending balance		3,925,000	$	0.25		3,925,000		$	.25

Schedule of Warrants Granted [Table Text Block]

Date of Grant	Warrants outstanding		Warrants exercisable		Price		Remaining term (years)
November 19, 2016		500,000		500,000	$	.25		0.47
July 10, 2017		500,000		500,000		.25		1.02
March 20, 2019		1,250,000		1,250,000		.25		1.30
April 17, 2019		675,000		675,000		.25		1.38
June 28, 2019		1,000,000		1,000,000		.25		.07
Total warrants		3,925,000		3,925,000	$	.25		.84