Significant Accounting Policies (Tables)

3 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Concentration Risk

Customers that accounted for more than 10% of consolidated revenues during the three months ended December 31, 2021 and 2020 are presented below:

	% of Consolidated Revenues for the Three Months Ended December 31,
	2021	2020
Alabama Department of Transportation	10.1%	7.2%
Florida Department of Transportation	10.0%	8.8%

Schedule of Revenue by Major Customers

The following table reflects, for the periods presented, (i) revenues generated from public infrastructure construction projects and the sale of construction materials to public customers and (ii) revenues generated from private infrastructure construction projects and the sale of construction materials to private customers.

	% of Consolidated Revenues for the Three Months Ended December 31,
	2021	2020
Public	61.0%	59.4%
Private	39.0%	40.6%