Quarterly Financial Data (unaudited) (Tables)
 12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Schedule of Quarterly Financial Information
 
First Quarter
 
Second Quarter
 
Third Quarter
 
Fourth Quarter
 
Total Year
 
(In thousands, except share and per share information)
2014
 
 
 
 
 
 
 
 
 
Total revenue
$
37,061

 
$
39,782

 
$
37,937

 
$
36,789

 
$
151,569

Gross margin
$
14,291

 
$
17,372

 
$
16,937

 
$
19,494

 
$
68,094

Earnings (loss) from continuing operations
$
(16,669
)
 
$
(8,364
)
 
$
(6,078
)
 
$
16,747

 
$
(14,364
)
Earnings from discontinued operations
$
995

 
$
12,817

 
$
—

 
$
1,564

 
$
15,376

Net earnings (loss) (1)
$
(15,674
)
 
$
4,453

 
$
(6,078
)
 
$
18,311

 
$
1,012

Net earnings (loss) per common share, basic
$
(0.13
)
 
$
0.04

 
$
(0.05
)
 
$
0.16

 
$
0.01

Net earnings (loss) per common share, diluted
$
(0.13
)
 
$
0.04

 
$
(0.05
)
 
$
0.14

 
$
0.01

Weighted average number of shares outstanding, basic
116,134

 
116,454

 
117,067

 
117,377

 
116,729

Weighted average number of shares outstanding, diluted
116,134

 
116,454

 
117,067

 
146,228

 
116,729

 
 
 
 
 
 
 
 
 
 
2013
 
 
 
 
 
 
 
 
 
Total revenue
$
29,083

 
$
24,526

 
$
33,268

 
$
32,679

 
$
119,556

Gross margin
$
8,004

 
$
3,892

 
$
10,026

 
$
10,332

 
$
32,254

Loss from continuing operations
$
(28,982
)
 
$
(31,519
)
 
$
(29,344
)
 
$
(19,722
)
 
$
(109,567
)
Earnings (loss) from discontinued operations
$
(378
)
 
$
496

 
$
1,196

 
$
847

 
$
2,161

Net loss (2)
$
(29,360
)
 
$
(31,023
)
 
$
(28,148
)
 
$
(18,875
)
 
$
(107,406
)
Net loss per common share, basic and diluted
$
(0.26
)
 
$
(0.27
)
 
$
(0.24
)
 
$
(0.16
)
 
$
(0.93
)
Weighted average number of shares outstanding, basic and diluted
115,040

 
115,174

 
115,592

 
115,743

 
115,378