Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Oct. 30, 2020
Document And Entity Information
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Sep. 30, 2020
Entity File Number	001-37900
Entity Registrant Name	Everspin Technologies, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-2640654
Entity Address, Address Line One	5670 W. Chandler Boulevard
Entity Address, Address Line Two	Suite 100
Entity Address, City or Town	Chandler
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85226
City Area Code	480
Local Phone Number	347-1111
Title of 12(b) Security	Common Stock
Trading Symbol	MRAM
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		19,005,599
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001438423
Amendment Flag	false