Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Stock-Based Compensation

Schedule of weighted average assumptions used to estimate fair value of each service-based stock option grant

	Year EndedJune 30,	Six Month Period December 31,	Year Ended December 31,	Year Ended December 31
Service-Based Stock Options	2010	2010	2011	2012
Expected dividend rate	0%	0%	0%	0%
Expected stock price volatility	70.2% - 72.8%	70.6% - 77.4%	72.1% - 78.9%	73.9% - 79.1%
Risk-free interest rate	2.4% - 3.1%	1.5% - 2.1%	1.4% - 2.7%	0.9% - 1.5%
Expected life (years)	5.5 - 6.3	6.1 - 6.3	6.0 - 6.3	5.5 – 6.3

Summary of activity for service-based stock options

Service-Based Stock Options	Options		Weighted AverageExercise Price		Weighted AverageRemainingContractual Term	AggregateIntrinsicValue
Outstanding at June 30, 2009	1,365,382		$	7.76	7.9	$	114,000
Granted	2,508,525		$	2.02
Forfeited or expired	(590,727	)	$	7.63
Outstanding at June 30, 2010	3,283,180		$	3.40	8.6	$	2,750
Granted	1,700,000		$	1.54
Exercised	(7,500	)	$	1.80		$	3,000
Forfeited or expired	(678,471	)	$	4.85
Outstanding at December 31, 2010	4,297,209		$	2.43	8.9	$	3,159,000
Granted	4,310,550		$	2.31
Exercised	(19,688	)	$	1.64		$	21,000
Forfeited or expired	(508,404	)	$	2.33
Outstanding at December 31, 2011	8,079,667		$	2.38	8.4	$	674,000
Granted	5,467,445		$	2.21
Exercised	(144,167	)	$	1.48		$	52,000
Cancelled	(1,057,700	)	$	2.03
Forfeited or expired	(2,357,777	)	$	2.18
Outstanding at December 31, 2012	9,987,468		$	2.38	7.5	$	—
Exercisable at December 31, 2012	4,209,163		$	2.67	5.8	$	—