Stockholders' Equity (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Summary of stock option activity and related data
Outstanding beginning balance, Shares underlying stock options	894	980
Outstanding beginning balance, Weighted - average exercise price	$ 17,462	$ 20,370
Granted, Shares underlying stock options	592,230,471
Granted, Weighted - average exercise price	$ 0.06
Forfeited/Expired, Shares underlying stock options	(798)	(86)
Forfeited/Expired, Weighted - average exercise price	$ 12,095	$ 50,529
Outstanding ending balance, Shares underlying stock options	592,230,567	894
Outstanding ending balance, Weighted - average exercise price	$ 0.0655	$ 17,462
Outstanding ending balance, Weighted - average remaining contractual term (yrs)	9 years 3 months 7 days
Outstanding ending balance, Aggregate intrinsic value	$ 2,961,152	$ 1,000
Vested and expected to vest ending balance, Shares underlying stock options	592,230,567
Vested and expected to vest ending balance, Weighted - average exercise price	$ 0.0655
Vested and expected to vest ending balance, Weighted - average remaining contractual term (yrs)	1 year 2 months 1 day
Vested and expected to vest ending balance, Aggregate intrinsic value	2,961,152
Exercisable ending balance, Shares underlying stock options	14,180,719
Exercisable ending balance, Weighted - average exercise price	$ 0.2917
Exercisable ending balance, Weighted - average remaining contractual term (yrs)	9 years 3 months 7 days	0 years
Exercisable ending balance, Aggregate intrinsic value	$ 70,903