XML 82 R69.htm IDEA: XBRL DOCUMENT v3.22.4

Short-term bank loans (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Short-term Bank Loans and Notes Payable	$ 4,719,552	$ 5,564,790
Loan payable One [Member] | Loan payable to Bank of China Lishui Branch [Member]
Short-term Bank Loans and Notes Payable	2,679,852	2,958,690
Loan payable Two [Member] | Loan payable to Shanghai Pudong Development ("SPD") Bank Lishui Branch [Member]
Short-term Bank Loans and Notes Payable	$ 2,039,700	$ 2,606,100

X

- Definition

Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_ShortTermBankLoansAndNotesPayable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=tanh_LoanPayableOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=tanh_LoanPayableToBankOfChinaLishuiBranchMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ShortTermDebtTypeAxis=tanh_LoanPayableTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtInstrumentAxis=tanh_LoanPayableToSpdBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: