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ACQUISITION OF CHESSER RESOURCES (Details) - Chesser Resources Limited $ / shares in Units, $ in Millions, $ in Millions	Sep. 20, 2023 AUD ($) shares	Sep. 20, 2023 USD ($) $ / shares shares
ACQUISITION OF CHESSER RESOURCES
Issuance of shares | shares	15,545,368	15,545,368
Issuance of shares per share | $ / shares		$ 2.93
Interest bearing loans	$ 3.4	$ 2.2

X

- Definition

The amount of interest bearing loans advanced in an asset acquisition transaction.

+ References

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+ Details

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X

- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a asset acquisition.

+ References

No definition available.

+ Details

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Namespace Prefix:	fsm_
Data Type:	dtr-types:perShareItemType
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Period Type:	instant

X

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	fsm_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Details

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