Loan Payable to Third Parties (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023	Dec. 16, 2022
Loan Payable to Third Parties
Loan payable to third parties (i)	$ 1,027,734	$ 3,522,521
Loan payable to third party (ii)	2,223,000		$ 3,395,861
Total	$ 3,250,734	$ 3,522,521

Carrying amount as of the balance sheet date of obligations due all third parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

No definition available.

Name:	tanh_DueToThirdPartiesCurrent
Namespace Prefix:	tanh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant