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Advances to Suppliers (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Advances to Suppliers |  |
Advances to suppliers | $ 3,194,212 | $ 3,459,374
Allowance for doubtful accounts | (39,128) | (38,746)
Advances to suppliers, net | $ 3,155,084 | $ 3,420,628

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- Definition It represents the advances on inventory purchases allowance. + References No definition available. + Details
Name: | tanh_AdvancesOnInventoryPurchasesAllowance
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of advances to Suppliers. + References No definition available. + Details
Name: | tanh_AdvancesToSuppliers
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- 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: | tanh_AdvancesToSuppliersLineItems
Namespace Prefix: | tanh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount classified as advances to suppliers expected to be received within one year or the normal operating cycle, if longer attributable to continuing operations. + References No definition available. + Details
Name: | tanh_AdvancesToSuppliersfromContinuingOperationsNet
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant