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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue |
Revenue from the Rendering of Services | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended | ​ | Six months ended | ​
​ |  | June 30, | ​ | June 30, | ​
​ |  | 2021 | ​ | 2020 | ​ | 2021 | ​ | 2020 | ​
Service revenue: | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  | ​
Commissions | ​ | $ | 129,334 | ​ | $ | 125,465 | ​ | $ | 233,309 | ​ | $ | 218,950 | ​
Fees | ​ |  | 123,414 | ​ |  | 108,674 | ​ |  | 225,469 | ​ |  | 198,312 | ​
​ | ​ |  | 252,748 | ​ |  | 234,139 | ​ |  | 458,778 | ​ |  | 417,262 | ​
Inventory sales revenue | ​ |  | 143,613 | ​ |  | 154,911 | ​ |  | 269,138 | ​ |  | 245,043 | ​
​ | ​ | $ | 396,361 | ​ | $ | 389,050 | ​ | $ | 727,916 | ​ | $ | 662,305 | ​

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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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