Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Stock option activity under the Plan as of and for the three years ended December 31, 2016 is as follows:

						Weighted
				Weighted		Average
				Average		Remaining		Aggregate
	Number of			Exercise		Contractual		Intrinsic
	Shares			Price ($)		Term (Years)		Value ($)
Outstanding at December 31, 2013		7,697,892			1.89
Granted/Issued		2,596,201			2.89
Exercised		(2,124,123	)		1.21				3,585,453
Cancelled/Forfeited		(924,485	)		3.41
Outstanding at December 31, 2014		7,245,485			2.25
Granted/Issued		2,984,010			2.23
Exercised		(20,000	)		1.54				—
Cancelled/Forfeited		(728,998	)		2.92
Outstanding at December 31, 2015		9,480,497			2.19
Granted/Issued		4,029,500			1.14
Exercised		(142,493	)		1.23				121,782
Cancelled/Forfeited		(2,053,595	)		2.13
Outstanding at December 31, 2016		11,313,909			1.84		7.0		7,741,133
Exercisable at December 31, 2016		7,789,081			2.04		6.1		513,003

Assumptions Used in Fair Value Measurement of Options Granted

	December 31,
	2016			2015			2014
Risk-free interest rate		1.3	%		1.3	%		1.6	%
Annualized volatility		51.7	%		53.5	%		60.7	%
Weighted average expected life, in years		6.0			6.0			6.0
Expected dividend yield		0.0	%		0.0	%		0.0	%

Schedule of Performance Stock Unit Awards and Restricted Stock Granted Under Long Term Incentive Program

The performance stock unit awards and restricted stock unit awards granted under the long term incentive program are summarized in the following table:

	Performance Stock Units					Restricted Stock Units
	Number of Shares			Weighted Average Grant Date Fair Value ($)		Number of Shares			Weighted Average Grant Date Fair Value ($)
Outstanding at December 31, 2013		406,663			3.19		155,724			3.96
Granted		651,980			3.02		325,991			3.02
Vested/settled		(87,519	)		2.03		(51,907	)		3.96
Forfeited/expired		(507,582	)		3.26		(198,684	)		3.45
Outstanding at December 31, 2014		463,542			3.08		231,124			3.07
Granted		664,391			2.09		664,391			2.18
Vested/settled		—					(112,285	)		2.92
Forfeited/expired		(171,755	)		2.69		(68,402	)		2.47
Outstanding at December 31, 2015		956,178			2.40		714,828			2.32
Granted		750,500			1.15		750,500			1.12
Vested/settled		(16,835	)		3.96		(264,001	)		2.41
Forfeited/expired		(342,554	)		2.17		(378,669	)		1.91
Outstanding at December 31, 2016		1,347,289			1.50		822,658			1.39

Performance Stock Units [Member]

Assumptions Used in Fair Value Measurement of Options Granted

The fair values of the TSR PSUs granted were determined using a Monte Carlo simulation and utilized the following inputs and assumptions:

	2016 Award			2015 Award			2014 Award
Closing stock price on grant date	$	1.12		$	2.18		$	3.09
Performance period starting price	$	1.29		$	2.52		$	4.08
Term of award (in years)		2.58			2.59			2.59
Volatility		70.1	%		60.5	%		50.9	%
Risk-free interest rate		0.97	%		0.83	%		0.60	%
Expected dividend yield		0.00	%		0.00	%		0.00	%
Fair value per TSR PSU	$	1.25		$	1.71		$	2.64