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v3.25.1

Related Party Balances and Transactions (Details) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Due to related parties | $ 11,576 | $ 872,723
Due from a related party | 118,025 | 0
Mr. Zhengyu Wang |  |
Due to related parties | 0 | 730,658
Due from a related party | 118,025 | 0
Mr. Wangfeng Yan |  |
Due to related parties | $ 11,576 | $ 142,065

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Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
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- Details
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Namespace Prefix: |
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X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tanh_MrWangfengYanMember
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