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v3.22.1

Share Option and Warrant Reserves (Details 4) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Share Option and Warrant Reserves |  |
Outstanding warrants Beginning of the year | 1,626,740 | 337,813
Warrants issued | 7,461,450 | 1,297,591
Warrants exercised | 101,042 | 8,664
Warrants expired | (775,695) |
Outstanding warrants end of the year | 8,211,453 | 1,626,740
Outstanding warrants, exercise price Brginning of the year | $ 1.66 | $ 2.96
Warrants issued, exercise price | 1.20 | 1.33
Warrants exercised, exercise price | 1.46 | 1.46
Warrants expired, exercise price | 1.42 |
Outstanding warrants, exercise price end of the year | $ 1.27 | $ 1.66

X
- Definition The number of warrants exercised during the period. + References No definition available. + Details
Name: | fury_NumberOfWarrantsExercised
Namespace Prefix: | fury_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fury_NumberOfWarrantsExpired
Namespace Prefix: | fury_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Exercise price for warrants exercised during the period. + References No definition available. + Details
Name: | fury_WarrantsExercisedExercisePrice
Namespace Prefix: | fury_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fury_WarrantsExpiredExercisePrice
Namespace Prefix: | fury_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fury_WarrantsIssued
Namespace Prefix: | fury_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fury_WarrantsIssuedExercisePrice
Namespace Prefix: | fury_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of warrants outstanding. + References No definition available. + Details
Name: | fury_WarrantsOutstanding
Namespace Prefix: | fury_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price for warrants outstanding. + References No definition available. + Details
Name: | fury_WarrantsOutstandingExercisePrice
Namespace Prefix: | fury_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant