XML 106 R84.htm IDEA: XBRL DOCUMENT
v3.26.1

Income Taxes - Schedule of Net Deferred Tax Assets and Deferred Tax Liabilities and their Movements (Details) - USD ($) | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Net Deferred Tax Assets and Deferred Tax Liabilities and their Movements [Line Items] |  |
Allowance for credit losses | $ (146,544) | $ (131,080)
Accelerated tax depreciation | 100,420 | 80,362
Net deferred tax assets and deferred tax liabilities | $ (46,124) | $ (50,718)

X
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_DeferredTaxAssetsLiabilitiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-6 + Details
Name: | us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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: | us-gaap_ValuationAllowanceLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of deferred tax assets accelerated tax depreciation. + References No definition available. + Details
Name: | wff_DeferredIncomeTaxAcceleratedTaxDepreciation
Namespace Prefix: | wff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant