XML 70 R61.htm IDEA: XBRL DOCUMENT
v3.22.4

Short-term Bank Loans (Details) - USD ($) | Jun. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Short-term Bank Loans |  |  |
Short-term bank loans | $ 4,192,344 | $ 4,719,552 | $ 4,719,552
Loan payable to Bank of China Lishui Branch |  |  |
Short-term Bank Loans |  |  |
Short-term bank loans | 2,550,044 |  | 2,679,852
Loan payable to Shanghai Pudong Development ("SPD") Bank Lishui Branch |  |  |
Short-term Bank Loans |  |  |
Short-term bank loans | $ 1,642,300 |  | $ 2,039,700

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 https://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 https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_ShortTermBankLoansAndNotesPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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: | us-gaap_ShortTermDebtLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=tanh_LoanPayableToBankOfChinaLishuiBranchMember
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: |