Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Tables)

v3.19.2
Significant Accounting Policies (Tables)
9 Months Ended
Jun. 30, 2019
Accounting Policies [Abstract]  
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.
For the Three Months Ended June 30, For the Nine Months Ended June 30,
2019  2018  2019  2018 
Private $ 66,207  $ 56,293  $ 166,193  $ 148,525 
Public $ 161,083  $ 138,782  $ 379,728  $ 315,870 
Schedule of customer concentration risk Customers that accounted for more than 10% of consolidated revenues during those periods are presented below:
% of Consolidated Revenues
For the Three Months Ended June 30, For the Nine Months Ended June 30,
2019  2018  2019  2018 
Alabama Department of Transportation 15.4  % 17.0  % 12.9  % 14.8  %
North Carolina Department of Transportation 13.9  % 14.8  % 13.4  % 13.5  %