XML 82 R54.htm IDEA: XBRL DOCUMENT
v3.24.1

DEBT (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
DEBT [abstract] |
Schedule of movement in debt | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Credit facility | ​ | ​ | Convertible debentures | ​ | ​ | Total
Balance at December 31, 2021 | ​ | ​ | $ | 117,082 | ​ | $ | 40,407 | ​ | $ | 157,489
Convertible debenture conversion | ​ | ​ | ​ | - | ​ | ​ | (60) | ​ | ​ | (60)
Drawdown | ​ | ​ | ​ | 80,000 | ​ | ​ | - | ​ | ​ | 80,000
Transaction costs | ​ | ​ | ​ | (688) | ​ | ​ | - | ​ | ​ | (688)
Amortization of discount | ​ | ​ | ​ | 626 | ​ | ​ | 1,808 | ​ | ​ | 2,434
Payments | ​ | ​ | ​ | (20,000) | ​ | ​ | - | ​ | ​ | (20,000)
Balance at December 31, 2022 | ​ | ​ | ​ | 177,020 | ​ | ​ | 42,155 | ​ | ​ | 219,175
Convertible debenture conversion | ​ | ​ | ​ | - | ​ | ​ | (225) | ​ | ​ | (225)
Drawdown | ​ | ​ | ​ | 75,500 | ​ | ​ | - | ​ | ​ | 75,500
Amortization of discount | ​ | ​ | ​ | 926 | ​ | ​ | 1,971 | ​ | ​ | 2,897
Payments | ​ | ​ | ​ | (90,500) | ​ | ​ | - | ​ | ​ | (90,500)
Balance at December 31, 2023 | ​ | ​ | $ | 162,946 | ​ | $ | 43,901 | ​ | $ | 206,847
Less: Current portion | ​ | ​ | ​ | – | ​ | ​ | (43,901) | ​ | ​ | (43,901)
Non-current portion | ​ | ​ | $ | 162,946 | ​ | $ | - | ​ | $ | 162,946

X
- Definition Tabular disclosure of borrowings were accounted for as a modification under IFRS 9. + References No definition available. + Details
Name: | fsm_DisclosureOfDetailedInformationAboutBorrowingsAccountedForAsModificationUnderIfrs9TextBlock
Namespace Prefix: | fsm_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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