XML 203 R49.htm IDEA: XBRL DOCUMENT
v3.25.1

Taxes (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Taxes |
Schedule of prepaid taxes |
|  | December 31, |  |  | December 31, |
|  | 202 4 |  |  | 202 3 |
Prepaid value-added tax |  | $ | 464,963 |  |  | $ | 494,439 |
Others |  |  | 3,494 |  |  |  | 4,734 |
Total |  | $ | 468,457 |  |  | $ | 499,173 |
Schedule of taxes payable |
|  | December 31, |  |  | December 31, |
|  | 202 4 |  |  | 202 3 |
Corporation income tax payable |  | $ | 1,428,586 |  |  | $ | 1,033,043 |
Other tax payable |  |  | 133,055 |  |  |  | 153,914 |
Total |  | $ | 1,561,641 |  |  | $ | 1,186,957 |
Schedule of effective tax rates reconciliation |
|  | Years ended December 31, |
|  | 202 4 |  |  | 202 3 |  |  | 202 2 |
Statutory PRC income tax rate |  |  | 25 | % |  |  | 25 | % |  |  | 25 | %
Favorable tax rate impact |  |  | 341 | % |  |  | 3 | % |  |  | 5 | %
Permanent difference and others |  |  | 53 | % |  |  | (4 | )% |  |  | 7 | %
Changes of deferred tax assets valuation allowances |  |  | 79 | % |  |  | 2 | % |  |  | 7 | %
Total |  |  | 498 | % |  |  | 26 | % |  |  | 44 | %
Schedule of provision for income tax expenses |
|  | Years ended December 31, |
|  | 202 4 |  |  | 202 3 |  |  | 202 2 |
Current |  | $ | 3,111,047 |  |  | $ | 2,364,489 |  |  | $ | 3,141,969 |
Deferred |  |  | - |  |  |  | - |  |  |  | - |
Total |  | $ | 3,111,047 |  |  | $ | 2,364,489 |  |  | $ | 3,141,969 |
Schedule of components of deferred tax assets and liabilities |
|  | December 31, |  |  | December 31, |
|  | 202 4 |  |  | 202 3 |
Deferred tax assets: |  |  |  |  |  |
Allowance for credit losses and other markdown and impairments |  | $ | 1,145,662 |  |  | $ | 1,250,752 |
Valuation allowance |  |  | (1,145,662 | ) |  |  | (1,250,752 | )
Total |  | $ | - |  |  | $ | - |

X
- Definition Tabular disclosure of prepaid taxes. + References No definition available. + Details
Name: | tanh_ScheduleOfPrepaidTaxesTableTextBlock
Namespace Prefix: | tanh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for taxes payable. + References No definition available. + Details
Name: | tanh_ScheduleOfTaxesPayableTableTextBlock
Namespace Prefix: | tanh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tanh_TaxesAbstract
Namespace Prefix: | tanh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-9 + Details
Name: | us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
Name: | us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 231 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482663/740-10-55-231 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration