Employee And Non-Employee Benefit And Compensation Plans (Tables)

The following table summarizes the assumptions used in applying the Monte Carlo Simulation method to value this price-based award:



	2013
Risk-free interest rate	0.65%
Dividend yields	Zero
Expected volatility	48.31%
Derived service periods	1.84 - 2.44 years
Estimated value of price-based RSUs	$0.29 - $0.94

Changes in outstanding options under the 1999 Plan and the Non-Employee Director Plan (collectively, the "Prior Plans") during 2014 were as follows:



	Number of shares subject to options		Weighted average exercise price		Weighted-average remaining contractual term	Aggregate intrinsic value ($000) *
Outstanding as of December 31, 2013	875,000		$	7.06
Cancelled—service period-based	(30,000	)	7.63
Options exercisable and outstanding as of December 31, 2014	845,000		$	7.04	0.17	$	—

Changes in the nonvested outstanding options are as follows:



	Shares		Weighted-average grant-date fair value
Nonvested options outstanding at December 31, 2011	3,206,351		$	1.89
Granted-service period-based	505,000		1.72
Vested-service period-based	(635,758	)	1.75
Forfeited or expired-service period-based	(392,477	)	2.36
Nonvested options outstanding at December 31, 2012	2,683,116		$	1.79
Granted-service period-based	1,190,000		0.90
Vested-service period-based	(937,875	)	1.73
Forfeited or expired-service period-based	(669,146	)	1.82
Forfeited or expired-priced-based	(725,000	)	1.71
Nonvested options outstanding at December 31, 2013	1,541,095		$	1.32
Granted-service period-based	25,070		1.99
Granted-price-based	185,000		1.62
Vested-service period-based	(647,552	)	1.65
Forfeited or expired-service period-based	(40,070	)	2.06
Forfeited or expired-price-based	(100,000	)	0.76
Nonvested options outstanding at December 31, 2014	963,543		$	1.13

Changes in outstanding options under the Stock Plan during 2014 were as follows:



	Number of shares subject to options		Weighted average exercise price		Weighted-average remaining contractual term	Aggregate intrinsic value*
Outstanding as of December 31, 2013	3,656,675		$	4.38
Granted—service period-based	25,070		5.12
Granted—price-based	185,000		8.38
Exercised—service period-based	(300,952	)	3.27
Cancelled—service period-based	(159,128	)	4.58
Cancelled—priced-based	(100,000	)	9.00
Outstanding as of December 31, 2014	3,306,665		$	3.74	6.47	$3,531,899
Options exercisable at December 31, 2014	2,343,122		$	3.43	5.48	$2,837,529

Changes in the nonvested outstanding options are as follows:



	Shares		Weighted-average grant-date fair value
Nonvested options outstanding at December 31, 2011	3,206,351		$	1.89
Granted-service period-based	505,000		1.72
Vested-service period-based	(635,758	)	1.75
Forfeited or expired-service period-based	(392,477	)	2.36
Nonvested options outstanding at December 31, 2012	2,683,116		$	1.79
Granted-service period-based	1,190,000		0.90
Vested-service period-based	(937,875	)	1.73
Forfeited or expired-service period-based	(669,146	)	1.82
Forfeited or expired-priced-based	(725,000	)	1.71
Nonvested options outstanding at December 31, 2013	1,541,095		$	1.32
Granted-service period-based	25,070		1.99
Granted-price-based	185,000		1.62
Vested-service period-based	(647,552	)	1.65
Forfeited or expired-service period-based	(40,070	)	2.06
Forfeited or expired-price-based	(100,000	)	0.76
Nonvested options outstanding at December 31, 2014	963,543		$	1.13

The fair value of 2013 or 2012 employee service period-based option awards granted under the Stock Plan was estimated on the grant dates using the Black-Scholes option-pricing model on the basis of the following weighted average assumptions:



	2013	2012
Risk-free interest rates	0.5% – 1.0%	0.4% – 0.6%
Dividend yields	Zero	Zero
Expected volatility	58.45% – 60.34%	61.80% – 63.48%
Average expected term	3.7 years	3.7 years
Average fair market value per option granted	$1.15	$1.79

The fair value of employee price-based option awards in 2014 under the Stock Plan was estimated on the grant dates using the Monte Carlo option-pricing model on the basis of the following weighted average assumptions:



	2014
Risk-free interest rates	2.01% – 2.04%
Dividend yields	Zero
Expected volatility	60.52% – 61.19%
Average expected term	0.4 - 1.7 years
Average fair market value per option granted	1.54

A summary of the shares of price-based RSUs is as follows:



	Shares		Weighted Average Grant Date Value
Outstanding and nonvested at December 31, 2011	440,000		$	3.07
No activity during 2012	—		—
Outstanding and nonvested at December 31, 2012	440,000		$	3.07
Granted	930,000		0.65
Forfeitures	(400,000	)	3.19
Outstanding and nonvested at December 31, 2013	970,000		$	0.77
Granted	242,500		2.28
Forfeitures	(110,000	)	1.32
Outstanding and nonvested at December 31, 2014	1,102,500		$	0.94

summary of the shares of service period-based restricted stock is as follows:



	Shares		Weighted Average Grant Date Value
Outstanding and nonvested at December 31, 2011	8,352		$	4.49
Granted	25,202		3.26
Vested	(33,554	)	3.65
Outstanding and nonvested at December 31, 2012	—		$	—
Granted	26,966		2.71
Vested	(26,966	)	2.71
Outstanding and nonvested at December 31, 2013	—		$	—
Granted	9,424		4.24
Vested	(9,424	)	4.24
Outstanding and nonvested at December 31, 2014	—		—

A summary of the shares of service period-based RSUs is as follows:



	Shares		Weighted Average Grant Date Value
Outstanding and nonvested at December 31, 2011	539,698		$	4.29
Granted	302,163		3.19
Vested	(119,635	)	4.14
Forfeitures	(2,500	)	3.95
Outstanding and nonvested at December 31, 2012	719,726		$	3.93
Granted	814,500		2.53
Vested	(438,353	)	3.64
Forfeitures	(353,790	)	3.89
Outstanding and nonvested at December 31, 2013	742,083		$	2.69
Granted	225,297		4.93
Vested	(390,625	)	2.61
Forfeitures	(32,771	)	4.92
Outstanding and nonvested at December 31, 2014	543,984		$	3.40