XML 87 R65.htm IDEA: XBRL DOCUMENT v3.26.1

Land Use Right - Schedule of Land Use Right (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Schedule of Land Use Right [Abstract]
Land use right	$ 426,326	$ 386,884
Less: Accumulated amortization	(86,471)	(71,172)
Land use right, net	$ 339,855	$ 315,712

X

- Definition

The Amount of Accumulated Amortization of Land Use Right.

+ References

No definition available.

+ Details

Name:	wff_AccumulatedAmortizationOfLandUseRight
Namespace Prefix:	wff_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of Land Use Rights.

+ References

No definition available.

+ Details

Name:	wff_LandUseRight
Namespace Prefix:	wff_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The Amount of Land Use Right.

+ References

No definition available.

+ Details

Name:	wff_LandUseRightNet
Namespace Prefix:	wff_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	wff_ScheduleOfLandUseRightAbstract
Namespace Prefix:	wff_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration