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Shareholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2014
Stockholders' Equity Note [Abstract]  
Schedule of the amounts recorded in the Consolidated Statements of Operations for share-based compensation
The table below summarizes the amounts recorded in the Consolidated Statements of Operations for share-based compensation:
 
Year Ended December 31,
 
2014
 
2013
 
2012
 
(In thousands)
Share-based compensation costs — continuing operations
$
11,405

 
$
11,746

 
$
7,282

Share-based compensation costs — discontinued operations
—

 
—

 
269

Total share-based compensation costs included in consolidated net loss
$
11,405

 
$
11,746

 
$
7,551
Schedule of weighted average assumptions used to value options granted and the grant date fair value
A summary of the weighted average assumptions used to value options granted and the grant date fair value follows:
 
Year Ended December 31,
 
2014
 
2012
Expected life (in years)
4.4

 
4.4

Risk-free interest rate
1.43
%
 
0.63
%
Expected volatility
52
%
 
70
%
Dividend yield
0
%
 
0
%
Fair value
$
1.59

 
$
2.13
Schedule of stock option activity
A summary of stock option activity for 2014 is presented below:
 
Number
of
Options
 
Weighted
Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Term
(In Years)
 
Aggregate
Intrinsic
Value
 
(In thousands, except per share amounts or as otherwise disclosed)
Outstanding at January 1, 2014
5,377

 
$
4.33

 
 
 
 
Granted
815

 
$
3.68

 
 
 
 
Exercised
(1,268
)
 
$
3.46

 
 
 
 
Expired or canceled
(1,080
)
 
$
6.89

 
 
 
 
Forfeited
(90
)
 
$
3.41

 
 
 
 
Outstanding at December 31, 2014
3,754

 
$
3.76

 
2.93
 
$
1,305

Vested and expected to vest at December 31, 2014
3,654

 
$
3.77

 
2.82
 
$
1,303

Exercisable at December 31, 2014
2,938

 
$
3.80

 
1.94
 
$
1,262
Schedule of RSU activity
A summary of RSU activity for 2014 is presented below:
 
Number
of
RSUs
 
Weighted
Average
Grant Date
Fair Value
 
(In thousands, except per share amounts)
Nonvested shares outstanding at January 1, 2014
2,749

 
$
4.09

Granted
3,770

 
$
4.09

Vested
(2,298
)
 
$
4.19

Forfeited
(876
)
 
$
4.20

Nonvested shares outstanding at December 31, 2014
3,345

 
$
3.98