Note 14 - Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2019

Statement Line Items [Line Items]

Disclosure of expenses Incurred for related parties [text block]

	December 31,		December 31,
	2019		2018
Fees related to Dr. Megaw:
Exploration and marketing services	$	420	$	424
Travel and expenses		72		75
Other fees to Cascabel and IMDEX:
Administration for Mexican subsidiaries		59		72
Field exploration services		298		384
	$	849	$	955

Disclosure of subsidiaries [text block]

Name	Country of	Principal	MAG's effective interest
	Incorporation	Project	2019(%)	2018(%)
Minera Los Lagartos, S.A. de C.V.	Mexico	Juanicipio	100%	100%
Minera Pozo Seco S.A. de C.V.	Mexico	Cinco de Mayo	100%	100%

Disclosure of information about key management personnel [text block]

	December 31,		December 31,
	2019		2018
Salaries and other short term employee benefits	$	1,694	$	1,567
Share based payments (Note 9(b), (c ), and (d))		1,429		1,369
	$	3,123	$	2,936