Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2012

Stockholder's Equity [Abstract]

Summary of stock option activity and related data

	Outstanding Options
	Number of Shares			Weighted- Average Exercise Price
Balance at December 31, 2011		894		$	17,462
Granted		592,230,471		$	0.06
Forfeited/Expired		(792	)	$	10,457
Balance at June 30, 2012		592,230,573		$	0.07

Schedule of share based compensation related to options exercisable and weighted average

	June 30 2012				December 31 2011
	Options		Weighted- Average Exercise Price		Options		Weighted- Average Exercise Price
Exercisable at end of period		4,726,976	$	1.10		585	$	26,243
Weighted average fair value of options granted during the period	$	0.06			$	—

Exercise prices and weighted-average remaining contractual lives for the options outstanding (excluding shares of restricted stock)

Options Outstanding		Range of Exercise Prices	Weighted- Average Remaining Contractual Life (in years)		Weighted- Average Exercise Price		Options Exercisable		Weighted- Average Exercise Price of Options Exercisable
	592,230,471	$0.06		9.78	$	0.06		4,726,874	$	0.06
	65	$201 - $39,900		6.83	$	10,278		65	$	10,278
	11	$42,000		3.28	$	42,000		11	$	42,000
	1	$52,600		3.71	$	52,600		1	$	52,600
	10	$59,700		4.90	$	59,700		10	$	59,700
	5	$148,000		1.89	$	148,000		5	$	148,000
	2	$148,500		0.87	$	148,500		2	$	148,500
	2	$235,500		1.22	$	235,500		2	$	235,500
	3	$254,500		0.05	$	254,500		3	$	254,500
	3	$295,000		0.39	$	295,000		3	$	295,000
	592,230,573	$0.06 - $295,000		9.78	$	0.0683		4,726,976	$	1.10

Summary of share-based compensation expense related to stock options, restricted stock and restricted stock units by expense category

	Three Months Ended June  30,				Six Months Ended June  30,
	2012		2011		2012		2011
Research and development	$	248	$	—	$	248	$	—
General and administrative		2,462		63		2,462		131
Share-based compensation expense included in operating expenses	$	2,710	$	63	$	2,710	$	131

Fair value of each option grant on the date of grant using the Black-Scholes option-pricing model

	Three and Six Months Ended June 30,
Options:	2012			2011
Risk-free interest rate		1.10	%		—	%
Dividend yield		0.0	%		—	%
Volatility		236	%		—	%
Expected life (years)		6.04			—