Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	May 15, 2019
Entity Registrant Name	SusGlobal Energy Corp.
Entity Central Index Key	0001652539
Trading Symbol	susg
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding		42,484,531
Document Type	10-Q
Document Period End Date	Mar. 31, 2019
Amendment Flag	false
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true