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Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Stock-Based Compensation
Stock-based compensation for continuing operations consisted of the following:
 
 
Three Months Ended
 
 
March 31,
(In millions)
 
2017
 
2016
Stock-based compensation expense
 
$
—

 
$
0.2
Summary of Stock Option Activity
The following table summarizes our stock option activity:
 
 
Stock Options
 
Weighted Average Exercise Price
Outstanding December 31, 2016
 
286,707

 
$
77.50

Granted
 
—

 
—

Exercised
 
—

 
—

Canceled
 
(7,712
)
 
123.97

Forfeited
 
(4,147
)
 
14.00

Outstanding March 31, 2017
 
274,848

 
$
76.83

Exercisable as of March 31, 2017
 
231,858

 
$
88.21
Summary of Weighted Average Assumptions Used in the Valuation of Stock Options
The following table summarizes our weighted average assumptions used in the Black-Scholes valuation of stock options:
 
Three Months Ended
 
March 31,
 
2017
 
2016
Volatility
44.3
%
 
41.0
%
Risk-free interest rate
1.6
%
 
1.8
%
Expected life (months)
72

 
72

Dividend yield
—

 
—
Summary of Restricted Stock Activity
The following table summarizes our restricted stock activity:
 
 
Restricted Stock
 
Weighted Average Grant Date Fair Value Per Share
Nonvested as of December 31, 2016
 
79,926

 
$
20.63

Granted
 
48,000

 
7.03

Grant adjustments
 
(324
)
 
38.00

Vested
 
(2,071
)
 
17.57

Forfeited
 
—

 
—

Nonvested as of March 31, 2017
 
125,531

 
$
15.44