Document Entity Information Document - shares	9 Months Ended
	Sep. 30, 2020	Nov. 10, 2020
Document Information [Abstract]
Entity Registrant Name	Sphere 3D Corp.
Entity Central Index Key	0001591956
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity File Number	001-36532
Entity Incorporation, State or Country Code	ON
Entity Tax Identification Number	98-1220792
Entity Address, Address Line One	895 Don Mills Road, Bldg. 2, Suite 900
Entity Address, City or Town	Toronto
Entity Address, Postal Zip Code	M3C 1W3
City Area Code	(858)
Local Phone Number	751-5555
Amendment Flag	false
Entity Common Stock, Shares Outstanding		7,867,186
Entity Interactive Data Current	Yes
Entity Small Business	true
Entity Emerging Growth Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity Current Reporting Status	Yes
Entity Shell Company	false
Trading Symbol	ANY
Entity Incorporation, State or Country Code	A6
Security Exchange Name	NASDAQ
Title of 12(b) Security	Common Shares