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Manufacturing rebate receivable (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Manufacturing Rebate Receivables for passage vehicles | $ 10,000 |  |
Manufacturing rebate receivables for commercial use vehicles | $ 1,000 |  |
Allowance against the manufacturing rebate receivable |  | 100.00% |
Suzhou E-Motor [Member] |  |  |
Manufacturing Rebate Receivables |  |  | $ 5,755,237

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- Definition The percentage of allowance against the manufacturing rebate receivable. + References No definition available. + Details
Name: | tanh_AllowanceAgainstManufacturingRebateReceivableInPercentage
Namespace Prefix: | tanh_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The amount of manufacturing receivables. + References No definition available. + Details
Name: | tanh_ManufacturingRebateReceivables
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Manufacturing Rebate Receivables for commercial use vehicles + References No definition available. + Details
Name: | tanh_ManufacturingRebateReceivablesCommercialUseVehicles
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Manufacturing Rebate Receivables for passage vehicles + References No definition available. + Details
Name: | tanh_ManufacturingRebateReceivablesPassageVehicles
Namespace Prefix: | tanh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |