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Quarterly Financial Data
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Data [Abstract]  
Quarterly Financial Data
Quarterly Financial Data (in thousands, except per share data) – Unaudited
2016
 
Q1
 
Q2
 
Q3
 
Q4
 
Total
Total revenue
 
$
21,576

 
$
17,194

 
$
16,181

 
$
16,703

 
$
71,654

Operating income
 
3,767

 
1,873

 
1,823

 
967

 
8,430

Net income
 
2,541

 
1,259

 
1,509

 
1,160

 
6,469

Net income per share - Basic
 
0.20

 
0.10

 
0.12

 
0.09

 
0.51

Net income per share - Diluted
 
0.20

 
0.10

 
0.12

 
0.09

 
0.50


2015
 
Q1
 
Q2
 
Q3
 
Q4
 
Total
Total revenue
 
$
24,741

 
$
24,230

 
$
21,193

 
$
25,755

 
$
95,919

Operating income
 
5,787

 
919

 
3,798

 
4,643

 
15,147

Net income
 
3,694

 
614

 
2,562

 
3,277

 
10,147

Net income per share - Basic
 
0.30

 
0.05

 
0.20

 
0.26

 
0.81

Net income per share - Diluted
 
0.29

 
0.05

 
0.20

 
0.26

 
0.79



Amounts may not add due to rounding differences.