Advances to Suppliers, net (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Advances to Suppliers, net
Advances to suppliers	$ 3,695,682	$ 37,742
Allowance for doubtful accounts	0	(3,611)
Advances to suppliers, net	$ 3,695,682	$ 34,131

Amount classified as advances to suppliers expected to be received within one year or the normal operating cycle, if longer attributable to continuing operations.

No definition available.

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