XML 126 R98.htm IDEA: XBRL DOCUMENT
v3.24.1

EARNINGS PER SHARE (Narrative) (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of Earnings Per Share [line items] |  |
Antidilutive effect of convertible instruments on number Of ordinary shares | 9,143,000 | 9,176,000
Antidilutive securities excluded from computation of EPS | 1,657,298 | 2,380,857
Stock Options |  |
Disclosure of Earnings Per Share [line items] |  |
Antidilutive securities excluded from computation of EPS | 0 | 509,468

X
- Definition The number of anti dilutive potential ordinary shares that relate to the assumed conversion of the entity's convertible instruments exclude excluded from the calculation of diluted earnings per share. + References No definition available. + Details
Name: | fsm_AntiDilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
Namespace Prefix: | fsm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of Earnings Per Share [line items]. + References No definition available. + Details
Name: | fsm_DisclosureOfEarningsPerShareLineItems
Namespace Prefix: | fsm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of antidilutive securities excluded from computation of earnings per share amount. + References No definition available. + Details
Name: | fsm_NumberOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | fsm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | fsm_AntidilutiveSecuritiesAxis=fsm_StockOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |