XML 67 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The following table sets forth the weighted average fair value of stock options and the assumptions used to estimate the fair value of the stock options using the Black-Scholes option valuation model:
 
2017
 
2016
 
2015
Weighted average fair value of stock options granted
$
3.91

 
$
1.06

 
$
2.65

Volatility
67.07
%
 
61.75
%
 
55.71
%
Expected life in years
4.00

 
3.99

 
4.75

Risk-free interest rate
1.69
%
 
1.50
%
 
1.51
%
Dividend yield
—

 
—

 
—
Schedule of Stock-based Compensation, Stock Options and Stock Appreciation Rights Award Activity
The following table summarizes stock option and SAR activity for the years ended December 31, 2017, 2016, and 2015:
 
Stock Options
 
SARs
 
Shares
 
Weighted
Average
Exercise
Price
 
Shares
 
Weighted
Average
Exercise
Price
Outstanding at December 31, 2014
598,346

 
$
16.26

 
46,572

 
$
14.06

Granted
310,028

 
5.57

 
—

 
—

Canceled/forfeited
(238,365
)
 
12.69

 
—

 
—

Outstanding at December 31, 2015
670,009

 
12.58

 
46,572

 
14.06

Granted
183,251

 
2.19

 
—

 
—

Exercised
(170,897
)
 
7.81

 
—

 
—

Canceled/forfeited
(25,752
)
 
16.76

 
(4,420
)
 
13.31

Outstanding at December 31, 2016
656,611

 
10.76

 
42,152

 
14.14

Granted
14,820

 
7.60

 
—

 
—

Exercised
(26,966
)
 
3.28

 
—

 
—

Canceled/forfeited
(27,019
)
 
21.88

 
—

 
—

Outstanding at December 31, 2017
617,446

 
$
10.53

 
42,152

 
$
14.14
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
The following table summarizes outstanding stock options as of December 31, 2017.
Range of
Exercise Price
Number
Outstanding
 
Weighted Average
Exercise
Price
 
Weighted
Average
Remaining
Contractual
Life (Years)
 
Aggregate Intrinsic Value (in thousands)
$ 0.00-$10.00
434,520

 
$
5.45

 
7.24
 
 
$10.00-$20.00
47,051

 
12.73

 
5.68
 
 
$20.00-$30.00
133,692

 
25.64

 
4.33
 
 
$30.00-$40.00
—

 
—

 
0.00
 
 
$40.00-$50.00
2,183

 
48.50

 
0.03
 
 
Outstanding
617,446

 
$
10.53

 
6.47
 
$
1,127

Vested and expected to vest
601,545

 
$
10.71

 
6.42
 
$
1,065

Exercisable
427,730

 
$
13.62

 
5.81
 
$
377
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
The following table summarizes restricted stock activity for the years ended December 31, 2017, 2016, and 2015:
 
Restricted Stock
 
Number of
Shares
 
Weighted
Average
Grant Date
Fair Value
Outstanding at December 31, 2014
901,999

 
$
12.19

Granted
1,180,384

 
5.49

Vested
(317,122
)
 
13.38

Cancelled/Forfeited
(257,849
)
 
7.59

Outstanding at December 31, 2015
1,507,412

 
7.49

Granted
1,768,746

 
3.72

Vested
(681,829
)
 
8.51

Cancelled/Forfeited
(160,414
)
 
7.16

Outstanding at December 31, 2016
2,433,915

 
4.48

Granted
799,165

 
8.78

Vested
(1,023,708
)
 
5.14

Cancelled/Forfeited
(53,527
)
 
5.90

Outstanding at December 31, 2017
2,155,845

 
$
5.72
Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]
The following table summarizes performance shares activity for the years ended December 31, 2017, 2016, and 2015:
 
Performance Shares
 
Number of
Shares
 
Weighted
Average
Grant Date
Fair Value
Outstanding at December 31, 2014
516,830

 
$
17.61

Granted
809,293

 
6.97

Cancelled/Forfeited
(190,988
)
 
15.62

Outstanding at December 31, 2015
1,135,135

 
10.35

Granted
1,437,077

 
1.79

Cancelled/Forfeited
(199,580
)
 
17.98

Outstanding at December 31, 2016
2,372,632

 
4.53

Granted
316,213

 
11.58

Vested
(66,696
)
 
14.18

Cancelled/Forfeited
(253,868
)
 
11.56

Outstanding at December 31, 2017
2,368,281

 
$
4.44