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Quarterly Financial Data (Unaudited)
 12 Months Ended
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information
QUARTERLY FINANCIAL DATA (UNAUDITED)
The tables below set forth consolidated operating results by fiscal quarter for the years ended December 31, 2016 and 2017 (in thousands, except earnings per share):
 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
2017
 
 
 
 
 
 
 
Revenues
$
68,157

 
$
63,852

 
$
61,054

 
$
65,076

Gross profit
23,092

 
18,667

 
15,480

 
19,560

Net income
$
7,084

 
$
4,410

 
$
3,038

 
$
22,661

Basic earnings per common share: (a)
$
0.42

 
$
0.26

 
$
0.18

 
$
1.41

Diluted earnings per common share: (a)
$
0.39

 
$
0.24

 
$
0.17

 
$
1.31

 
 
 
 
 
 
 
 
2016
 
 
 
 
 
 
 
Revenues
$
63,331

 
$
61,865

 
$
60,140

 
$
62,864

Gross profit
21,303

 
18,807

 
18,228

 
21,312

Net income
$
4,571

 
$
5,200

 
$
5,683

 
$
4,127

Basic earnings per common share: (a)
$
0.27

 
$
0.31

 
$
0.34

 
$
0.25

Diluted earnings per common share: (a)
$
0.27

 
$
0.30

 
$
0.33

 
$
0.22

 
 
 
(a)
Earnings per share are computed independently for each of the quarters presented. Therefore, the sum of the quarterly per share amounts may not equal the total computed for 2016 and 2017 due to rounding.