REVENUE (Schedule of Contract Assets on Uncompleted Contracts) (Details) - USD ($) |
Mar. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|---|
| REVENUES: | |||
| Costs and estimated earnings recognized | $ 1,679,930 | $ 4,152,850 | $ 3,700,124 |
| Less: Billings or cash received | (1,642,364) | (4,050,392) | (2,324,204) |
| Contract assets | $ 37,566 | $ 102,458 | $ 1,375,920 |
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- Definition Billings or cash received. No definition available.
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- Definition Costs and estimated earnings recognized. 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, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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