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Unearned Revenue (Tables) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2021 | Dec. 31, 2020
Unearned Revenue [Abstract] |  |
Schedule of unearned revenue includes customer deposits and deferred revenue |
|  | Nine Months Ended September 30, 2021 |  |  | Twelve Months Ended December 31, 2020 |
Beginning Balance |  | $ | 564,227 |  |  | $ | 362,951 |
Revenue recognized |  |  | (27,075,116 | ) |  |  | (37,752,173 | )
Amounts collected or invoiced |  |  | 27,131,731 |  |  |  | 37,953,449 |
Ending Balance |  | $ | 620,842 |  |  | $ | 564,227 |
|  | 2020 |  |  | 2019 |
Balance at January 1, |  | $ | 362,951 |  |  | $ | 953,306 |
Revenue recognized |  |  | (37,752,173 | ) |  |  | (30,316,831 | )
Amounts collected or invoiced |  |  | 37,953,449 |  |  |  | 29,726,476 |
Balance at December 31, |  | $ | 564,227 |  |  | $ | 362,951 |

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- Definition Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6935-107765 + Details
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- References No definition available. + Details
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