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Revenue (Tables) | 9 Months Ended
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Sep. 30, 2021
Revenue |
Revenue from the Rendering of Services | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Nine months ended | ​
​ |  | September 30, | ​ | September 30, | ​
​ |  | 2021 | ​ | 2020 | ​ | 2021 | ​ | 2020 | ​
Service revenue: | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​
Commissions | ​ | $ | 110,275 | ​ | $ | 112,762 | ​ | $ | 343,584 | ​ | $ | 331,711 | ​
Fees | ​ |  | 103,918 | ​ |  | 109,917 | ​ |  | 329,387 | ​ |  | 308,230 | ​
​ | ​ |  | 214,193 | ​ |  | 222,679 | ​ |  | 672,971 | ​ |  | 639,941 | ​
Inventory sales revenue | ​ |  | 115,489 | ​ |  | 108,863 | ​ |  | 384,627 | ​ |  | 353,906 | ​
​ | ​ | $ | 329,682 | ​ | $ | 331,542 | ​ | $ | 1,057,598 | ​ | $ | 993,847 | ​

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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