XML 90 R63.htm IDEA: XBRL DOCUMENT
v3.21.1

Other Expenses (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Other Expenses [abstract] |
Schedule of Other Expenses |
|  | Years ended December 31,
|  | 2020 |  | 2019
Write-down (recovery) of investment in associates |  | $ | (194) |  | $ | 2,706
Write-off of mineral properties |  |  | 878 |  |  | 1,554
Loss on disposal of assets and other write-downs |  |  | 484 |  |  | 67
Write-off of accounts receivable |  |  | 447 |  |  | -
Other expenses (income) |  |  | (308) |  |  | 284
Care and maintenance costs related to COVID-19 |  |  | 3,121 |  |  | -
|  | $ | 4,428 |  | $ | 4,611

X
- Definition Other Income and Expense [abstract]. + References No definition available. + Details
Name: | fsm_OtherIncomeAndExpenseAbstract
Namespace Prefix: | fsm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of expenses by nature. [Refer: Expenses, by nature] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_10_e&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_DisclosureOfExpensesByNatureExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration