XML 77 R45.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 9 - Capital Stock and Reserve - Weighted Average Assumptions (Details) - Agent warrants [member] | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Fair value of warrant [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 5.67 | 3.81
Exercise Price [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 6.25 | 10
Expected life [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 5 | 2
Interest rate, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 0.0414 | 0.033
Historical volatility for shares, measurement input [member] |  |
Statement Line Items [Line Items] |  |
Assumptions | 1.13 | 1.20

X
- References No definition available. + Details
Name: | fmst_Statement1LineItems
Namespace Prefix: | fmst_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The value of significant unobservable input used in the measurement of the fair value of entity's own equity instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2023-01-01 -Paragraph 93 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2023-en-r&anchor=para_93_d&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_SignificantUnobservableInputEntitysOwnEquityInstruments
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfEntitysOwnEquityInstrumentsAxis=fmst_AgentWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=fmst_FairValueOfWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=fmst_ExercisePriceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=fmst_ExpectedLifeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=ifrs-full_InterestRateMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=ifrs-full_HistoricalVolatilityForSharesMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |