Unearned Revenue (Details) - Schedule of unearned revenue includes customer deposits and deferred revenue - USD ($) |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Schedule of unearned revenue includes customer deposits and deferred revenue [Abstract] | |||
| Beginning Balance | $ 564,227 | $ 362,951 | $ 953,306 |
| Revenue recognized | (27,075,116) | (37,752,173) | (30,316,831) |
| Amounts collected or invoiced | 27,131,731 | 37,953,449 | 29,726,476 |
| Ending Balance | $ 620,842 | $ 564,227 | $ 362,951 |
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- Definition Amount of amounts collected or invoiced. No definition available.
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- References No definition available.
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- References No definition available.
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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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