XML 48 R23.htm IDEA: XBRL DOCUMENT v2.4.1.9
Concentration of Risk and Enterprise Wide Disclosures (Tables)
 3 Months Ended
Mar. 31, 2015
Accounts receivable  
Concentration Risk [Line Items]  
Schedules of concentration of risk, by risk factor
The table below presents the concentrations of current receivables (trade and retainage) at March 31, 2015 and December 31, 2014, respectively:

 
March 31, 2015
 
December 31, 2014
Federal Government
$
4,376

10
%
 
$
4,607

9
%
State Governments
1,346

3
%
 
476

1
%
Local Governments
13,517

32
%
 
13,927

26
%
Private Companies
23,159

55
%
 
33,778

64
%
Total receivables
$
42,398

100
%
 
$
52,788

100
%
Contract revenues  
Concentration Risk [Line Items]  
Schedules of concentration of risk, by risk factor
Additionally, the table below represents concentrations of revenue by type of customer for the three months and three months ended March 31, 2015 and 2014.
 
Three months ended March 31,
 
2015
 
%
 
2014
 
%
Federal
$
12,312

 
15
%
 
$
11,897

 
15
%
State
9,631

 
12
%
 
6,911

 
8
%
Local
21,292

 
26
%
 
13,505

 
17
%
Private
38,220

 
47
%
 
48,945

 
60
%
 
$
81,455

 
100
%
 
$
81,258

 
100
%