Note 9 - Supplemental Cash Flow Information (Tables)

9 Months Ended

Feb. 28, 2019

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

For the nine months ended February 28,	2019		2018
Supplemental cash flow information
Interest paid	$	—	$	—
Income taxes paid (received)	$	—	$	—
Non-cash financing and investing transactions
Shares issued to acquire mineral properties	$	59,500	$	847,000
Reclassification of contributed surplus on exercise of stock options	$	2,736,339	$	123,302