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v3.22.4

Advances to suppliers (Tables) | 12 Months Ended
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Dec. 31, 2021
Advances to suppliers [Line Items] |
Schedule of advances to suppliers | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2021 | ​ | 2020
Advances to suppliers | ​ | $ | 3,459,374 | ​ | $ | 7,033,556
Allowance for doubtful accounts | ​ |  | (38,746) | ​ |  | (179,095)
Advances to suppliers, net | ​ | $ | 3,420,628 | ​ | $ | 6,854,461
Advances To Suppliers [Member] |
Advances to suppliers [Line Items] |
Schedule of allowance for doubtful accounts | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ | ​ | 2021 | ​ | 2020
Balance at beginning of period | ​ | $ | 179,095 | ​ | $ | 1,517,017
Change of allowance for doubtful accounts | ​ |  | (144,549) | ​ |  | (400,436)
Write off | ​ |  | (5) | ​ |  | (1,039,958)
Translation adjustments | ​ |  | 4,205 | ​ |  | 102,472
Balance at end of period | ​ | $ | 38,746 | ​ | $ | 179,095

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- Definition Advances to suppliers. + References No definition available. + Details
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- Definition Tabular disclosure of advances to suppliers, current. + References No definition available. + Details
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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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- Details
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