Schedule of contract assets and liabilities (Details) - USD ($) |
Jun. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Contract Assets And Contract Liabilities | ||
| Contract assets | $ 27,491,183 | $ 24,459,339 |
| Contract liabilities | 5,027,832 | 5,122,766 |
| Net Contract assets | $ 22,463,351 | $ 19,336,573 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The element represents net contract assets. No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or 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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