XML 122 R44.htm IDEA: XBRL DOCUMENT
v3.24.3

Note 11 - Supplement Disclosures With Respect to Cash Flows (Details Textual) - CAD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Mar. 31, 2024
Statement Line Items [Line Items] |  |  |
Adjustments for increase (decrease) in accounts payable and accrued liabilities | $ 1,438,317 |  | $ 670,068
Increase (decrease) in number of shares outstanding, acquisition of exploration and evaluation assets (in shares) | 40,924 |  | 29,900
Acquisition of exploration and evaluation assets | $ 150,000 | $ 235,600 | $ 235,600
Increase (decrease) in number of shares outstanding, issued for services (in shares) |  |  | 30,900
Issue of equity, shares issued for services |  |  | $ 187,872
Agent warrants [member] |  |  |
Statement Line Items [Line Items] |  |  |
Class of warrant or right, granted (in shares) | 51 |  |
Class of warrant or right, granted, value | $ 100 |  |
Warrants issued in public offering [member] |  |  |
Statement Line Items [Line Items] |  |  |
Class of warrant or right, granted (in shares) |  |  | 40,000
Class of warrant or right, granted, value |  |  | $ 270,400

X
- Definition The amount of acquisition of exploration and evaluation assets. + References No definition available. + Details
Name: | fmst_AcquisitionOfExplorationAndEvaluationAssets
Namespace Prefix: | fmst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Adjustments for increase (decrease) in accounts payable and accrued liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. + References No definition available. + Details
Name: | fmst_AdjustmentsForIncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Namespace Prefix: | fmst_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of warrants or rights granted in period. + References No definition available. + Details
Name: | fmst_ClassOfWarrantOrRightGranted
Namespace Prefix: | fmst_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of class of warrant or right granted in period. + References No definition available. + Details
Name: | fmst_ClassOfWarrantOrRightGrantedValue
Namespace Prefix: | fmst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of increase (decrease) in number of shares outstanding, acquisition of exploration and evaluation assets. + References No definition available. + Details
Name: | fmst_IncreaseDecreaseInNumberOfSharesOutstandingAcquisitionOfExplorationAndEvaluationAssets
Namespace Prefix: | fmst_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the number of shares outstanding from issuance of shares for services. + References No definition available. + Details
Name: | fmst_IncreaseDecreaseInNumberOfSharesOutstandingIssuedForServices
Namespace Prefix: | fmst_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of issue of equity from shares issued for services. + References No definition available. + Details
Name: | fmst_IssueOfEquitySharesIssuedForServices
Namespace Prefix: | fmst_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

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