Annual report pursuant to Section 13 and 15(d)


Cover - USD ($)
12 Months Ended
Dec. 31, 2022
Mar. 23, 2023
Jun. 30, 2022
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-39417    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 84-4473840    
Entity Address, Address Line One 500 Totten Pond Road, 4th Floor    
Entity Address, City or Town Waltham    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 02451    
City Area Code 781    
Local Phone Number 374-8100    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period false    
ICFR Auditor Attestation Flag false    
Entity Shell Company false    
Entity Public Float     $ 252,201,649
Entity Common Stock, Shares Outstanding   147,963,093  
Documents Incorporated by Reference Certain portions of the information required to be furnished pursuant to Part III of this Annual Report on Form 10-K will be set forth in, and incorporated by reference from, the registrant’s definitive proxy statement for the annual meeting of stockholders which will be filed with the Securities and Exchange Commission no later than 120 days after the end of the fiscal year ended December 31, 2022.    
Entity Central Index Key 0001805385    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Common Class A      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, Par Value $0.0001 Per Share    
Trading Symbol EVLV    
Security Exchange Name NASDAQ    
Warrants to purchase one share of Class A common stock      
Document Information [Line Items]      
Title of 12(b) Security Warrants to purchase one share of Common Stock    
Trading Symbol EVLVW    
Security Exchange Name NASDAQ