Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Schedule of Share-Based Compensation by Expense Category

The following table summarizes the components of share-based compensation expense in the consolidated statements of operations for the three and nine-month periods ended September 30, 2013 and 2012:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2013		2012		2013		2012
	(In thousands)
Research and development	$	337	$	249	$	876	$	1,011
Selling, general and administrative		903		936		2,380		4,154
Total non-cash compensation expense related to share-based compensation included in operating expense	$	1,240	$	1,185	$	3,256	$	5,165

Schedule of Unvested Stock Option Awards

The following table summarizes the activity related to the Company’s restricted stock and RSU’s for the nine-month period ended September 30, 2013:

	Number of Shares			Weighted-Average Grant Date Fair Value Per Share
	(Shares in thousands)
Unvested at December 31, 2012		1,830		$	2.74
Granted		642			0.94
Vested		(1,003	)		2.38
Forfeited		(276	)		1.63
Unvested at September 30, 2013		1,193		$	2.33

Stock Option

Schedule of Weighted-Average Key Assumptions Used in Determining Fair Value of Stock Option Awards

The weighted-average key assumptions used in determining the fair value of stock options granted for the three and nine-month periods ended September 30, 2013 and 2012 were as follows:

	Three Months Ended September 30,					Nine Months Ended September 30,
	2013		2012			2013			2012
Weighted-average volatility		—		100	%		106.9	%		96	%
Weighted-average risk-free interest rate		—		0.9	%		0.8	%		0.9	%
Weighted-average expected life in years		—		5.6			4.9			5.5
Dividend yield		—		0.0	%		0.0	%		0.0	%
Weighted-average grant date fair value per share		—	$	1.38		$	0.73		$	1.30

Schedule of Stock Option Activity

The following table summarizes the activity related to the Company’s stock options for the nine-month period ended September 30, 2013:

	Number of Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (in yrs)		Aggregate Intrinsic Value of In-the-Money Options
	(In thousands, except weighted-average data)
Outstanding at December 31, 2012		4,027		$	5.16		7.76	$	208
Granted		1,289			0.95		—		—
Exercised		—			—		—		—
Cancelled		(953	)		2.99		—		—
Outstanding at September 30, 2013	$	4,363		$	4.38		7.76	$	14
Exercisable at September 30, 2013		2,480		$	5.56		6.78	$	9

Stock Options That Contain Performance And Market Based Conditions

Schedule of Stock Option Activity

The following table summarizes the activity related to the Company’s performance options for the nine-month period ended September 30, 2013:

	Number of Shares			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (in yrs)		Aggregate Intrinsic Value of In-the-Money Options
	(In thousands, except weighted-average data)
Outstanding at December 31, 2012		953		$	3.73		9.30	$	74
Granted		—			—		—		—
Exercised		—			—		—		—
Cancelled		(420	)		3.13		—		—
Outstanding at September 30, 2013		533		$	4.20		8.52	$	—
Exercisable at September 30, 2013		358		$	4.21		8.28	$	—