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Cover
Nov. 14, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 14, 2022
Entity File Number 001-41429
Entity Registrant Name PROMIS NEUROSCIENCES INC.
Entity Central Index Key 0001374339
Entity Tax Identification Number 98-0647155
Entity Incorporation, State or Country Code Z4
Entity Address, Address Line One Suite 200
Entity Address, Address Line Two 1920 Yonge Street
Entity Address, City or Town Toronto
Entity Address, State or Province ON
Entity Address, Postal Zip Code M4S 3E2
City Area Code 416
Local Phone Number 847-6898
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares, no par value per share
Trading Symbol PMN
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false