Inventory

12 Months Ended

Apr. 30, 2020

Inventories [Abstract]

Inventory

7. Inventory

	April 30, 2020		April 30, 2019
Carrying value of inventory:
Doré	$	680	$	467
Work-in-process		185		130
Stockpile		43		53
Supplies		755		838
	$	1,663	$	1,488