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Selected Quarterly Financial Data
 12 Months Ended
Dec. 31, 2011
Selected Quarterly Financial Data [Abstract]  
Selected Quarterly Financial Data
Selected Quarterly Financial Data

The following table sets forth selected unaudited financial information for the eight quarters in the two-year period ended December 31, 2011.  This information has been prepared on the same basis as the audited financial statements and, in the opinion of management, contains all adjustments necessary for a fair presentation.

 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
Total
Year
 
(in thousands, except per share data)
2011
 
 
 
 
 
 
 
 
 
Revenues
$
79,057

 
$
70,899

 
$
54,583

 
$
55,313

 
$
259,852

Operating income (loss)
2,524

 
(5,265
)
 
(9,062
)
 
(7,538
)
 
(19,341
)
Income (loss) before income taxes
2,448

 
(5,340
)
 
(9,108
)
 
(7,461
)
 
(19,461
)
Net income (loss)
1,539

 
(3,216
)
 
(6,218
)
 
(5,219
)
 
(13,114
)
Earnings (loss) per share:
 

 
 

 
 

 
 

 
 

Basic
$
0.06

 
$
(0.12
)
 
$
(0.23
)
 
$
(0.19
)
 
$
(0.49
)
Diluted
$
0.06

 
$
(0.12
)
 
$
(0.23
)
 
$
(0.19
)
 
$
(0.49
)

 
First
Quarter
 
Second
Quarter
 
Third
Quarter
 
Fourth
Quarter
 
Total
Year
 
(in thousands, except per share data)
2010
 
 
 
 
 
 
 
 
 
Revenues
$
75,556

 
$
87,126

 
$
100,024

 
$
90,428

 
$
353,135

Operating income
5,471

 
11,164

 
11,481

 
4,471

 
32,587

Income before income taxes
7,602

 
11,008

 
11,403

 
3,828

 
33,841

Net income
4,781

 
7,009

 
7,098

 
2,994

 
21,882

Earnings per share:
 

 
 

 
 

 
 

 
 

Basic
$
0.18

 
$
0.26

 
$
0.26

 
$
0.11

 
$
0.81

Diluted
$
0.18

 
$
0.26

 
$
0.26

 
$
0.11

 
$
0.81