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Manufacturing rebate receivable (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Manufacturing Rebate Receivables		$ 5,755,237
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

X

- 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

X

- 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

X

- 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

X

- 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

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=tanh_SuzhouEmotorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: