Exploration and Evaluation Assets (Tables)

12 Months Ended

Apr. 30, 2019

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Summary of Exploration and Evaluation assets

	AJC Properties			Creston Properties		Total
Acquisition costs:
Balance, April 30, 2017	$	1,214		$	2,001	$	3,215
Property disposition		(970	)		—		(970	)
Recovery of disposal of E&E Asset		(128	)		—		(128	)
Effect of foreign exchange		(80	)		—		(80	)
Balance, April 30, 2018 & April 30, 2019		36			2,001		2,037
Exploration costs:
Balance, April 30, 2017	$	1,712		$	1,028	$	2,740
Exploration cost		23			—		23
Drilling		18			—		18
Geological		31			13		44
Legal fees		—			15		15
Maintenance		62			274		336
Property disposition		(37	)		—		(37	)
Effect of foreign exchange		—			1		1
Balance, April 30, 2018		1,809			1,331		3,140
Geological		22			1		23
Recovery of property costs		(32	)		0		(32	)
Maintenance		121			273		394
Property disposition		(82	)		0		(82	)
Effect of foreign exchange		22			9		31
Balance, April 30, 2019	$	1,860		$	1,614	$	3,474
Total Exploration and Evaluation Assets
Balance, April 30, 2018	$	1,845		$	3,332	$	5,177
Balance, April 30, 2019	$	1,896		$	3,615	$	5,511