UNION ASSESSMENTS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Union Assessments [Abstract]
Union assessments incurred	$ 356,325	$ 257,016	$ 884,989	$ 567,574
Pension Fund [Member]
Union Assessments [Abstract]
Union assessments incurred	68,690	67,676	187,122	140,846
Welfare Fund [Member]
Union Assessments [Abstract]
Union assessments incurred	230,339	152,234	573,768	366,263
National Employees Benefit Fund [Member]
Union Assessments [Abstract]
Union assessments incurred	19,365	15,235	53,046	35,753
Joint Apprenticeship and Training Committee [Member]
Union Assessments [Abstract]
Union assessments incurred	3,522	2,369	15,646	5,210
401(k) Matching [Member]
Union Assessments [Abstract]
Union assessments incurred	$ 34,409	$ 19,502	$ 55,407	$ 19,502