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Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Data (Unaudited)
Quarterly Financial Data (Unaudited)
The following is a condensed summary of quarterly results of operations for 2017 and 2016:
 
Revenues
 
Gross Profit
 
Operating
Income
 
Net Income (Loss)
 
Basic and Diluted
Earnings (Loss)
Per Share
2017:
 
 
 
 
 
 
 
 
 
First
$
173,416

 
$
21,503

 
$
4,557

 
$
628

 
$
0.02

Second
$
195,127

 
$
22,701

 
$
7,568

 
$
131

 
$
0.00

Third
$
198,349

 
$
25,150

 
$
10,682

 
$
4,763

 
$
0.16

Fourth
$
188,339

 
$
23,211

 
$
8,638

 
$
(7,227
)
 
$
(0.24
)
2016:
 
 
 
 
 
 
 
 
 
First
$
180,291

 
$
25,704

 
$
8,580

 
$
2,563

 
$
0.09

Second
$
178,251

 
$
24,331

 
$
8,427

 
$
2,720

 
$
0.09

Third
$
153,604

 
$
18,919

 
$
4,466

 
$
1,147

 
$
0.04

Fourth
$
149,966

 
$
18,276

 
$
3,910

 
$
355

 
$
0.01

(1) 
See Note 11 for discussion on the computation of diluted shares outstanding.