XML 83 R49.htm IDEA: XBRL DOCUMENT
v3.25.1

EQUITY - Warrants liability (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 23, 2024 | Jul. 26, 2024 | Dec. 31, 2024 | Dec. 31, 2023
Tranche A and B Warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
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) |
Warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at the beginning |  |  | $ 94,185 |
Warrant liability and accelerated warrant liability at issuance |  |  | 31,182,033 |
Balance at the end |  |  | 5,592 | $ 94,185
Warrants | United States dollar denominated warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance at the beginning |  |  | $ 94,185 | 1,859,374
Fair Value of US$ warrant liability as of June 30, 2023 |  |  |  | 1,287,400
Fair value of previously liability-classified US$ warrants reclassified to additional paid-in-capital as of July 1, 2023 |  |  |  | (1,287,400)
Change in fair value of the warrant liability and accelerated warrant 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
Foreign exchange loss (gain) |  |  |  | $ (7,426)
Balance at the end |  |  |  | 94,185
Warrants | Canadian dollar denominated warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of previously equity-classified C$ warrants reclassified to warrant liability as of July 1, 2023 |  |  |  | 396,375
Change in fair value of the warrant liability and accelerated warrant liability |  |  | $ (88,593) | $ (302,190)
Warrants | Tranche A and B Warrants |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair value of previously liability-classified US$ warrants reclassified to additional paid-in-capital as of July 1, 2023 | 8,689,149 |  | (8,689,149) |
Change in fair value of the warrant liability and accelerated warrant liability | $ 22,492,884 |  | $ (22,492,884) |

X
- Definition Amount of reclassification to permanent equity of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the fair value of the warrant liabilities in US Dollars. + References No definition available. + Details
Name: | pmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValueOfWarrantLiabilities
Namespace Prefix: | pmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of gain (loss) from foreign exchange loss measured at fair value on recurring basis using unobservable input (level 3). + References No definition available. + Details
Name: | pmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignExchangeGainLoss
Namespace Prefix: | pmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of reclassification to permanent equity of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
Name: | pmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassifiedToPermanentEquity
Namespace Prefix: | pmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reclassifications to liability from permanent equity of financial instrument measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References No definition available. + Details
Name: | pmn_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisReclassifiedToLiability
Namespace Prefix: | pmn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement in which net income is reported that includes gain (loss) from liability measured at fair value using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleList
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=pmn_TrancheaAndBWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByLiabilityClassAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=pmn_UnitedStatesDollarDenominatedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=pmn_CanadianDollarDenominatedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |