Issuances of derivative liabilities

No definition available.

Name:	flzh_IssuancesOfDerivativeLiabilities
Namespace Prefix:	flzh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date debt instrument can be converted into equity, in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

+ Details

Name:	us-gaap_DebtInstrumentConvertibleConversionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483444/210-20-55-10

+ Details

Name:	us-gaap_DerivativeLiabilitiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-5A

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-18

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 25
-Paragraph 6A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

+ Details

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

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=flzh_ConvertibleNoteAndWarrantsMarch2026IssuanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=flzh_ConvertibleNoteAndWarrantsFirstTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=flzh_ConvertibleNoteSecondTrancheMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=flzh_ConvertibleNoteFirstFireMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Derivative Liabilities - Schedule of Summary of the Derivative Liability (Details) - USD ($)		3 Months Ended		6 Months Ended
	Jun. 17, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Schedule of Summary of the Derivative Liability [Line Items]
Balance at beginning of period		$ 621,274
Issuances of derivative liabilities		3,878,214		4,501,872
Change in fair value of derivative liabilities	$ 133,476	(2,426,791)		(2,429,175)
Balance at end of period		$ 2,072,697		2,072,697
Convertible Note and Warrants - March 2026 Issuance [Member]
Schedule of Summary of the Derivative Liability [Line Items]
Issuances of derivative liabilities				$ 623,658
Date Issued on convertible notes		Mar. 23, 2026		Mar. 23, 2026
Balance at end of period		$ 496,624		$ 496,624
Convertible Note And Warrants - First Tranche [Member]
Schedule of Summary of the Derivative Liability [Line Items]
Issuances of derivative liabilities				$ 3,454,690
Date Issued on convertible notes		Apr. 07, 2026		Apr. 07, 2026
Balance at end of period		$ 1,212,677		$ 1,212,677
Convertible Note - Second Tranche [Member]
Schedule of Summary of the Derivative Liability [Line Items]
Issuances of derivative liabilities				$ 290,048
Date Issued on convertible notes		Apr. 30, 2026		Apr. 30, 2026
Balance at end of period		$ 272,779		$ 272,779
Convertible note — FirstFire [Member]
Schedule of Summary of the Derivative Liability [Line Items]
Issuances of derivative liabilities				$ 133,476
Date Issued on convertible notes		Jun. 17, 2026		Jun. 17, 2026
Balance at end of period		$ 90,617		$ 90,617