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Schedule of Opening and Closing Balances of Receivables, Contract Assets and Contract Liabilities (Details) - USD ($) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Credit Derivatives [Line Items] |  |  |
Receivables, beginning balance |  | $ 10,899,207 |
Receivables, ending balance |  | 17,158,481 | $ 10,899,207
Receivables [Member] |  |  |
Credit Derivatives [Line Items] |  |  |
Receivables, beginning balance | [1] | 4,119,988 | 2,778,879
Contract asset, beginning balance |  |  |
Contract liability, beginning balance |  | 13,080,179 | 12,607,978
Receivables, ending balance | [1] | 4,952,257 | 4,119,988
Contract asset, ending balance |  |  |
Contract liability, ending balance |  | 14,184,328 | 13,080,179
Increase (decrease) in accounts receivable | [1] | 832,269 | 1,341,109
Increase (decrease) in contract asset |  |  |
Increase (decrease) in contract liability |  | $ 1,104,149 | $ 472,201
[1] | Included in Receivables, net on the condensed consolidated balance sheets

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