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Accounting policies (Tables) | 9 Months Ended
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Sep. 30, 2022
Accounting policies |
Schedule of Disaggregation of revenue | The following table presents the Company’s revenue disaggregated by revenue source. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, |  | Nine Months Ended September 30,
​ |  | 2022 |  | 2021 |  | 2022 |  | 2021
Retail revenue | ​ | $ | 6,274,650 | ​ | $ | 5,247,042 | ​ | $ | 19,114,653 | ​ | $ | 16,633,137
Bulk revenue | ​ |  | 8,667,931 | ​ |  | 6,868,134 | ​ |  | 24,442,324 | ​ |  | 19,826,075
Services revenue | ​ |  | 8,731,124 | ​ |  | 3,210,584 | ​ |  | 18,530,427 | ​ |  | 10,514,669
Manufacturing revenue | ​ |  | 1,378,000 | ​ |  | 1,087,386 | ​ |  | 3,589,333 | ​ |  | 3,244,106
Total revenue | ​ | $ | 25,051,705 | ​ | $ | 16,413,146 | ​ | $ | 65,676,737 | ​ | $ | 50,217,987
​
Summary of revenue recognized and amounts billed on services segment and manufacturing segment contracts in progress | Revenue recognized and amounts billed on contracts in progress are summarized as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31 | ​
​ | ​ | 2022 | ​ | 2021 | ​
Revenue recognized to date on contracts in progress |  | $ | 16,576,248 | ​ | $ | 6,109,396 | ​
Amounts billed to date on contracts in progress | ​ |  | (19,694,500) | ​ |  | (6,370,855) | ​
Retainage | ​ | ​ | 1,023,676 | ​ | ​ | 237,542 | ​
Net contract liability | ​ | $ | (2,094,576) | ​ | $ | (23,917) | ​
Summary of net balances of billings reflected in the accompanying consolidated balance sheet | The above net balances are reflected in the accompanying condensed consolidated balance sheets as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31 | ​
​ | ​ | 2022 | ​ | 2021 | ​
Contract assets |  | $ | 1,658,912 |  | $ | 489,961 | ​
Contract liabilities | ​ |  | (3,753,488) | ​ |  | (513,878) | ​
Net contract liability | ​ | $ | (2,094,576) | ​ | $ | (23,917) | ​

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- Definition The tabular disclosure of revenue recognized and amounts billed on services segment and manufacturing segment contracts in progress. + References No definition available. + Details
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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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 https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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