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v3.21.1

Share Option and Warrant Reserves (Details 4) - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Share Option And Warrant Reserves |  |
Outstanding warrants beginning of the year | 337,813 | 0
Warrants issued | 1,297,591 | 337,813
Warrants exercised | (8,664) |
Outstanding warrants end of the year | 1,626,740 | 337,813
Outstanding warrants, exercise price beginning of the year | $ 1.33 | $ 0.00
Warrants issued, exercise price |  | 2.96
Warrants exercised, exercise price | 1.46 |
Outstanding warrants, exercise price end of the year | $ 1.66 | $ 1.33

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_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_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