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v3.22.4

Accounts Receivable | 6 Months Ended
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Jun. 30, 2022
Accounts Receivable |
Accounts Receivable | Note 4 – Accounts Receivable Accounts receivable consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | June 30, |  | December 31,
​ | ​ | 2022 | ​ | 2021
Accounts receivable | ​ | $ | 50,157,127 | ​ | $ | 48,680,634
Allowance for doubtful accounts | ​ |  | (3,145,561) | ​ |  | (3,717,708)
Accounts receivable, net | ​ | $ | 47,011,566 | ​ | $ | 44,962,926
​ The movement of allowance for doubtful accounts are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | June 30, | ​ | December 31,
​ |  | 2022 |  | 2021
Balance at beginning of period | ​ | $ | 3,717,708 | ​ | $ | 3,699,890
Change of allowance for doubtful accounts | ​ |  | (405,198) | ​ |  | (53,436)
Write off | ​ | ​ | — | ​ | ​ | (15,631)
Translation adjustments | ​ |  | (166,949) | ​ |  | 86,885
Balance at end of period | ​ | $ | 3,145,561 | ​ | $ | 3,717,708
​

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- Definition The entire disclosure for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=2196816 + Details
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