v3.25.1

PRIVATE PLACEMENT (Details) - USD ($)		3 Months Ended
PRIVATE PLACEMENT (Details) - USD ($)	Jan. 30, 2025	Mar. 31, 2025
PRIVATE PLACEMENT
Proceeds from private warrants and private units		$ 2,483,000
Aggregate purchase price		$ 100,000
Private placement
PRIVATE PLACEMENT
Number of units offered		248,300
Price per unit	$ 15
Number of warrants		1,000,000
Exercise price of warrants	$ 15	$ 15
Number of shares per warrant	1
Private placement \| Related party
PRIVATE PLACEMENT
Price per unit	$ 10
Proceeds from private warrants and private units	$ 2,483,000
Private placement \| Related party \| Ramnaraine Jospeh Jaigobind
PRIVATE PLACEMENT
Number of units offered	25,000
Private placement \| Sponsor
PRIVATE PLACEMENT
Number of units offered	223,300
Number of warrants	1,000,000
Exercise price of warrants	$ 0.1
Price per warrant	$ 0.1
Number of shares per warrant	1
Aggregate purchase price	$ 100,000

The price per share or per unit of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	fgmc_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix:	fgmc_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of warrants issued.

+ References

No definition available.

+ Details

Name:	fgmc_NumberOfWarrantsIssued
Namespace Prefix:	fgmc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	fgmc_PrivatePlacementLineItems
Namespace Prefix:	fgmc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of new units issued during the period.

+ References

No definition available.

+ Details

Name:	fgmc_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	fgmc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Per share or per unit amount of equity securities issued.

+ References

No definition available.

+ Details

Name:	us-gaap_SharesIssuedPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=fgmc_RamnaraineJospehJaigobindMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=fgmc_SponsorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

FG Merger II Corp. 10-Q