Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Weighted-Average Assumptions Used for Grants Made Under the Stock Option Plans

The following weighted-average assumptions were used for grants made under the stock option plans for the years ended December 31, 2013, 2012 and 2011:

	2013
	Directors			Executives			Employees
Expected volatility		138.29-141.54	%		134.9	%		134.9-141.9	%
Expected term		6.8 years			6.8 years			6.8 years
Risk-free interest rate		1.45-2.24	%		1.21	%		1.21-2.03	%
Dividend yield		0	%		0	%		0	%
Annual forfeiture rate		14.5	%		14.5	%		14.5	%
	2012
	Directors			Executives			Employees
Expected volatility		120.0-125.6	%		121.9-131.1	%		121.9	%
Expected term		6.8 years			6.8 years			6.8 years
Risk-free interest rate		1.04-1.38	%		0.99-1.07	%		0.99	%
Dividend yield		0	%		0	%		0	%
Annual forfeiture rate		14.5	%		14.5	%		14.5	%

	2011
	Directors			Executives			Employees
Expected volatility		83.7	%		82.7	%		82.7	%
Expected term		6.8 years			6.8 years			6.8 years
Risk-free interest rate		1.34	%		2.10	%		2.10	%
Dividend yield		0	%		0	%		0	%
Annual forfeiture rate		14.5	%		14.5	%		14.5	%

Summary of Transactions Involving Stock Options Awarded

Transactions involving stock options awarded under the Plans described above during the years ended December 31, 2013, 2012 and 2011 are summarized as follows:

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value
								(In thousands)
Outstanding at December 31, 2010		3,165,866		$	3.51		6.9	$	46
Granted		309,000		$	1.24
Exercised		(10,000	)	$	0.62
Expired		(110,266	)	$	13.92
Forfeited		(185,970	)	$	1.82
Outstanding at December 31, 2011		3,168,630		$	3.03		3.4	$	18
Granted		2,736,750		$	0.43
Expired		(1,709,020	)	$	3.67
Forfeited		(45,950	)	$	1.30
Outstanding at December 31, 2012		4,150,410		$	1.07		8.4	$	1,076
Granted		505,000		$	0.20
Expired		(88,000	)	$	3.03
Forfeited		(226,660	)	$	1.61
Outstanding at December 31, 2013		4,340,750		$	0.90		7.8	$	56
Vested and exercisable at December 31, 2013		2,161,392		$	1.24		7.0	$	56
Vested and expected to vest at December 31, 2013		3,900,155		$	0.93		7.8	$	56

Director Stock Plan [Member]

Summary of Transactions Involving Stock Options Awarded

Transactions involving stock options awarded under the Directors Stock Plan during the years ended December 31, 2013, 2012 and 2011 are summarized as follows:

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value
								(In thousands)
Outstanding at December 31, 2010		100,000		$	10.24		2.2
Expired		(21,000	)	$	13.88
Outstanding at December 31, 2011		79,000		$	9.27		1.7
Expired		(37,000	)	$	13.06
Outstanding at December 31, 2012		42,000		$	5.93		1.9
Expired		(21,000	)	$	2.89
Outstanding at December 31, 2013		21,000		$	8.97		2.7
Vested and Exercisable at December 31, 2013		21,000		$	8.97		2.7	$	—

Non-Plan Options [Member]

Summary of Transactions Involving Stock Options Awarded

Transactions involving awards of Non-Plan Options during the year ended December 31, 2013, 2012 and 2011 are summarized as follows:

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term in Years		Aggregate Intrinsic Value
								(In thousands)
Outstanding at December 31, 2010		10,000		$	3.64		2.0
Expired		—			—
Outstanding at December 31, 2011		10,000		$	3.64		2.0
Expired		(5,000	)		3.15
Outstanding at December 31, 2012		5,000		$	4.12		0.5
Expired		(5,000	)		4.12
Outstanding at December 31, 2013		—		$	—		—
Vested and Exercisable at December 31, 2013		—		$	—		—	$	—