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Summary of Unaudited Quarterly Financial Information (Tables)
 12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
The following is a summary of the unaudited quarterly results of operations for the years ended December 31, 2014 and 2013 (in thousands).
 
 
Quarter ended
 
March 31
 
June 30
 
September 30
 
December 31
2014
 
 
 
 
 
 
 
Total revenues
$
15,958

 
$
10,608

 
$
14,973

 
$
22,999

Total operating costs and expenses
10,858

 
9,250

 
11,441

 
13,363

Income tax (expense) benefit
(53
)
 
47

 
(124
)
 
(280
)
Income from continuing operations
2,097

 
1,288

 
777

 
6,730

Discontinued operations
—

 
—

 
—

 
—

Net loss attributable to noncontrolling interests
—

 
(304
)
 
(503
)
 
(325
)
Net income
2,097

 
1,592

 
1,280

 
7,055

Basic per share amounts:
 
 
 
 
 
 
 
Income from continuing operations
0.10

 
0.08

 
0.06

 
0.35

Discontinued operations
—

 
—

 
—

 
—

Net income
$
0.10

 
$
0.08

 
$
0.06

 
$
0.35

Diluted per share amounts:
 
 
 
 
 
 
 
Income from continuing operations
0.10

 
0.07

 
0.06

 
0.34

Income from discontinued operations
—

 
—

 
—

 
—

Net income
$
0.10


$
0.07


$
0.06


$
0.34

Weighted average shares—basic
20,600,683

 
20,738,299

 
20,417,187

 
19,878,088

Weighted average shares—diluted
21,208,023

 
21,780,034

 
21,345,311

 
20,792,363

2013
 
 
 
 
 
 
 
Total revenues
$
11,651

 
$
9,580

 
$
13,005

 
$
14,737

Total operating costs and expenses
7,719

 
8,066

 
9,935

 
8,310

Income tax expense
(66
)
 
(110
)
 
(60
)
 
(138
)
Income from continuing operations
1,304

 
3,694

 
1,965

 
1,869

Income (loss) from discontinued operations
191

 
2,397

 
—

 
—

Net income
1,495

 
6,091

 
1,965

 
1,869

Basic per share amounts:
 
 
 
 
 
 
 
     Income from continuing operations
0.06

 
0.18

 
0.10

 
0.09

     Discontinued operations
0.01

 
0.12

 
—

 
—

     Net income
$
0.07

 
$
0.30

 
$
0.10

 
$
0.09

Diluted per share amounts:
 
 
 
 
 
 
 
     Income from continuing operations
0.06

 
0.18

 
0.09

 
0.09

     Discontinued operations
0.01

 
0.12

 
—

 
—

     Net income
$
0.07

 
$
0.30

 
$
0.09

 
$
0.09

Weighted average shares—basic
20,189,378

 
20,258,618

 
20,357,558

 
20,442,603

Weighted average shares—diluted
20,280,030

 
20,427,360

 
20,843,742

 
21,056,156