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Bank acceptance notes payable (Tables) | 12 Months Ended
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Dec. 31, 2021
Bank acceptance notes payable |
Schedule of Bank acceptance notes payable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | December 31, |  | December 31,
​ | ​ | ​ | ​ | 2021 | ​ | 2020
Bank acceptance notes payable issued by Zhang Jiagang Rural Commercial Bank |  | (a) | ​ | $ | — | ​ | $ | 220,109
Commercial acceptance notes payable guaranteed by SPD Bank Lishui Branch |  | (b) | ​ |  | — | ​ |  | 1,533,000
Total |  |  | ​ | $ | — | ​ | $ | 1,753,109
​
(a) | Bank acceptance notes payable of $220,109 (RMB 1,435,805) issued by Zhang Jiagang Rural Commercial Bank with due dates from February 10, 2021 to March 29, 2021. The Company is required to maintain restricted cash deposits at 100% of the notes payable with the bank, in order to ensure future credit availability. These notes were fully paid upon maturity and restricted deposit was also released upon the payments.
(b) | Commercial acceptance notes payable of $1,533,000 (RMB 10,000,000) issued by Tantech Bamboo and guaranteed by SPD Bank Lishui Branch with due date on April 19, 2021. The Company is required to maintain restricted cash deposits at 100% of the notes payable with the bank, in order for the bank to make guarantee for the notes and ensure the availability for future credit. A related party, Zhejiang Xinsen Industrial Co., Ltd. (“Zhejiang Xinsen”), made collateral for this commercial acceptance notes payable on behalf of Tantech Bamboo with a one-year term deposit of approximately $1,533,000 (RMB 10,000,000), which has a due date of April 21, 2021. The note was fully paid upon maturity by Zhejiang Xinsen on behalf of Tantech Bamboo.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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