XML 79 R47.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 10 - Related Party Transactions - Transactions Between Related Parties (Details) - CAD ($) | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Current and former directors, officers and companies controlled by them [member] |  |
Statement Line Items [Line Items] |  |
Current and former directors, officers and companies controlled by them | $ 88,139 | $ 112,975

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 amounts payable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_20&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2023-01-01 -Paragraph 18 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2023-en-r&anchor=para_18_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=fmst_CurrentAndFormerDirectorsOfficersAndCompaniesControlledByThemMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |