Document And Entity Information - USD ($)	12 Months Ended
	May 31, 2016	Nov. 30, 2016	Aug. 22, 2016
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	May 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY
Entity Registrant Name	Corvus Gold Inc.
Entity Central Index Key	0001507964
Current Fiscal Year End Date	--05-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Public Float		$ 16,164,696
Trading Symbol	CORVF
Entity Common Stock, Shares Outstanding			92,344,582