ProMIS Neurosciences, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

EQUITY - Equity transactions (Details)

EQUITY - Equity transactions (Details)				1 Months Ended	12 Months Ended
EQUITY - Equity transactions (Details)	Oct. 23, 2024 USD ($) Y	Jul. 26, 2024 USD ($) Y D $ / shares shares	Jul. 01, 2023 USD ($) shares	Aug. 31, 2023 USD ($) Y $ / shares shares	Dec. 31, 2024 USD ($) Y $ / shares $ / shares shares	Dec. 31, 2023 USD ($) Y shares	Sep. 30, 2023 shares	Jul. 01, 2023 $ / shares
COMMON SHARES
Issuance costs of units		$ 2,675,487
Warrants exercise price \| $ / shares		$ 0.01
Reclassification of CAD denominated warrants from additional paid-in capital to warrant liability due to change in functional currency						$ (396,375)
Gross proceeds from issuance allocated to common shares					$ 190,274
Warrant liability					5,592	$ 94,185
Net proceeds allocated to Common Shares		$ 27,657,497		$ 9,772,464
Loss on issuance of common shares, warrants, and pre-funded warrants in July 2024 PIPE		3,524,535			$ (3,524,535)
Common Stock, Capital Shares Reserved for Future Issuance \| shares					63,680,285	16,133,820
Pre- funded warrants
COMMON SHARES
Warrants exercise price \| $ / shares					$ 0.01
Number of shares by each warrant entitles \| shares					2,162,013	594,725
Common Warrants
COMMON SHARES
Net proceeds allocated to Common Shares				7,972,736
United States Dollar Denominated Warrants
COMMON SHARES
Number of warrants reclassified to permanent equity due to change in functional currency \| shares			870,026
Warrants with fair value			$ 1,287,400
Canadian Dollar Denominated Warrants
COMMON SHARES
Reclassification of CAD denominated warrants from additional paid-in capital to warrant liability due to change in functional currency			$ 396,375
Number of warrants reclassified to permanent equity due to change in functional currency \| shares			687,591
Warrant liability						$ 94,185
Change in fair value of warrant liability						$ 302,190
Canadian Dollar Denominated Warrants \| Nonoperating Income (Expense)
COMMON SHARES
Warrant liability					$ 5,592
Change in fair value of warrant liability					$ 88,593
Tranche A and B Warrants
COMMON SHARES
Warrant liability and accelerated warrant liability at issuance	$ 8,689,149	$ 31,182,033
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]					Nonoperating Income (Expense)
August 2023 PIPE
COMMON SHARES
Issuance costs of units				$ 2,738,558
Warrants exercisable term				5 years
Number of shares issued \| shares				9,945,969
Gross proceeds from issuance allocated to common shares				$ 20,483,758
Net of issuance costs				$ 466,658
August 2023 PIPE \| Pre- funded warrants
COMMON SHARES
Number of shares by each warrant entitles \| shares				954,725
Exercise price of warrant \| $ / shares				$ 1.87
August 2023 PIPE \| Common Warrants
COMMON SHARES
Warrants exercise price \| $ / shares				$ 1.75
Number of shares by each warrant entitles \| shares				10,900,604
Exercise price of warrant \| $ / shares				$ 1.88
August 2023 PIPE \| Compensation warrants
COMMON SHARES
Warrants exercise price \| $ / shares				$ 1.75
Number of shares by each warrant entitles \| shares				327,020
July 2024 Private Placement
COMMON SHARES
Threshold days after completion of tranche milestone events		60 days
Threshold days to get shareholders approval \| D		90
Aggregate gross proceeds		$ 30,332,984
Offering costs and agent fee		$ 2,675,487
July 2024 Private Placement \| Pre- funded warrants
COMMON SHARES
Number of units issued \| shares		4,371,027
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| One Tranche A
COMMON SHARES
Warrants exercise price \| $ / shares		$ 2.02
Warrants exercisable term		18 months
Threshold days after completion of tranche milestone events		60 days
July 2024 Private Placement \| One Tranche B
COMMON SHARES
Warrants exercise price \| $ / shares		$ 2.02
Warrants exercisable term		30 months
July 2024 Private Placement \| One Tranche C
COMMON SHARES
Warrants exercise price \| $ / shares		$ 2.50
Gross proceeds from issuance allocated to common shares warrants		$ 35,300,000
July 2024 Private Placement \| Common Share Units
COMMON SHARES
Number of units issued \| shares		9,757,669
Price per unit \| $ / shares		$ 2.15
Number of common share per unit \| shares		1
July 2024 Private Placement \| Common Share Units \| One Tranche A
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| Common Share Units \| One Tranche B
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| Common Share Units \| One Tranche C
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| Pre Funded Units
COMMON SHARES
Price per unit \| $ / shares		$ 2.14
July 2024 Private Placement \| Pre Funded Units \| One Tranche A
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| Pre Funded Units \| One Tranche B
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
July 2024 Private Placement \| Pre Funded Units \| One Tranche C
COMMON SHARES
Number of warrants per unit \| shares		1
Number of common share per warrant \| shares		1
At-the-Market Offering (ATM)
COMMON SHARES
Number of shares issued \| shares					75,862
Gross proceeds from issuance allocated to common shares					$ 190,274
Common Stock, Capital Shares Reserved for Future Issuance \| shares							25,000,000.0
Minimum \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants exercise price \| $ / shares								$ 12.00
Maximum \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants exercise price \| $ / shares								$ 28.80
Maximum \| July 2024 Private Placement \| One Tranche A
COMMON SHARES
Gross proceeds from issuance allocated to common shares warrants		$ 28,500,000
Maximum \| July 2024 Private Placement \| One Tranche B
COMMON SHARES
Gross proceeds from issuance allocated to common shares warrants		$ 28,500,000
Risk free interest rate \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants, measurement input					2.93	0.0388
Risk free interest rate \| Tranche A and B Warrants
COMMON SHARES
Warrants, measurement input	4.10	4.34
Risk free interest rate \| August 2023 PIPE
COMMON SHARES
Warrants, measurement input				0.0436
Exercise Price \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants, measurement input					12.00	12.60
Exercise Price \| Tranche A and B Warrants
COMMON SHARES
Warrants, measurement input	2.02	2.02
Volatility \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants, measurement input					110.2	1.315
Volatility \| Tranche A and B Warrants
COMMON SHARES
Warrants, measurement input	100.9	102.5
Volatility \| August 2023 PIPE
COMMON SHARES
Warrants, measurement input				1.073
Expected life \| Canadian Dollar Denominated Warrants
COMMON SHARES
Warrants, measurement input \| Y					0.9	1.8
Expected life \| Tranche A and B Warrants
COMMON SHARES
Warrants, measurement input \| Y	1.9	2.1
Expected life \| August 2023 PIPE
COMMON SHARES
Warrants, measurement input \| Y				5.5
Share price \| Tranche A and B Warrants
COMMON SHARES
Warrants, measurement input	0.95	2.02
Warrants.
COMMON SHARES
Warrant liability and accelerated warrant liability at issuance					$ 31,182,033
Warrants. \| United States Dollar Denominated Warrants
COMMON SHARES
Change in fair value of the derivative liability						$ (564,548)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]					Nonoperating Income (Expense)	Gain (Loss) from Change in Fair Value of Financial Instruments
Reclassified fair value						$ (1,287,400)
Warrants. \| Canadian Dollar Denominated Warrants
COMMON SHARES
Change in fair value of the derivative liability					$ (88,593)	$ (302,190)
Warrants. \| Tranche A and B Warrants
COMMON SHARES
Change in fair value of the derivative liability	$ 22,492,884				(22,492,884)
Reclassified fair value	$ 8,689,149				$ (8,689,149)