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Land Use Right | 12 Months Ended
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Dec. 31, 2025
Land Use Right [Abstract] |
Land Use Right | 9. Land Use Right
|  | At December 31, |
|  | 2025 |  |  | 2024 |
Land use right |  | $ | 426,326 |  |  | $ | 386,884 |
Less: Accumulated amortization |  |  | (86,471 | ) |  |  | (71,172 | )
Land use right, net |  | $ | 339,855 |  |  | $ | 315,712 |
Amortization expense for the following years is as follows:
|  | Amortization Expense |
2026 |  | $ | 8,044 |
2027 |  |  | 8,044 |
2028 |  |  | 8,044 |
2029 |  |  | 8,044 |
2030 |  |  | 8,044 |
Thereafter |  |  | 299,635 |
Total amortization expense |  | $ | 339,855 |

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

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- Definition The entire Disclosure is for Land Use Right + References No definition available. + Details
Name: | wff_LandUseRightTextBlock
Namespace Prefix: | wff_
Data Type: | dtr:textBlockItemType
Balance Type: | na
Period Type: | duration