Convertible Notes and Warrants (Details) (USD $)	3 Months Ended	0 Months Ended		3 Months Ended		0 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended						0 Months Ended		3 Months Ended
	Mar. 31, 2013	Feb. 22, 2013 2011 Warrants	Feb. 22, 2011 2011 Warrants	Mar. 31, 2013 2011 Warrants	Dec. 31, 2012 2011 Warrants	Jul. 02, 2012 2012 Warrants	Jul. 02, 2012 $0.15 Warrants	Mar. 31, 2013 $0.15 Warrants	Dec. 31, 2012 $0.15 Warrants	Jul. 02, 2012 $0.25 Warrants	Mar. 31, 2013 $0.25 Warrants	Dec. 31, 2012 $0.25 Warrants	Mar. 31, 2013 2013 Warrants	Feb. 22, 2013 2013 Warrants	Feb. 22, 2013 2011 and 2012 Warrants Amendment and Waiver Agreement	Dec. 31, 2012 2011 and 2012 Warrants Amendment and Waiver Agreement	Feb. 22, 2013 Third Tranche Warrants	Jan. 16, 2013 Third Tranche Warrants	Mar. 31, 2013 Third Tranche Warrants	Mar. 31, 2013 Convertible Notes	Feb. 22, 2013 Convertible Notes	Feb. 22, 2011 Convertible Notes item	Feb. 22, 2011 Convertible Notes due February 22, 2014	Jul. 02, 2012 Second Tranche Convertible Notes	Feb. 22, 2011 Second Tranche Convertible Notes	Jan. 16, 2013 Third Tranche Convertible Notes
Convertible Notes
Interest rate (as a percent)																				5.00%		5.00%				5.00%
Additional secured convertible debt funding from the investors that may be secured																						$ 2,000,000	$ 1,000,000		$ 1,000,000
Aggregate principal amount																						4,000,000				250,000
Number of tranches																						2
Period considered in a year for calculation of interest																				360 days
Number of securities called by outstanding warrants returned to the Company for forfeiture (in shares)															12,500,000
Amount of debentures subject to relinquishment of right to purchase																					750,000
Conversion price (in dollars per share)																						$ 0.10		$ 0.10		$ 0.10
Percentage of outstanding principal redeemed under a change of control																				130.00%
Percentage of accrued and unpaid interest																				100.00%
Warrants
Beginning balance (in shares)				40,000,000				10,000,000			10,000,000		28,818,666	28,818,666					2,500,000
Less: Canceled (in shares)				(40,000,000)				(10,000,000)			(10,000,000)						(2,500,000)
Add: Issued		65,263,156	40,000,000	65,263,156		20,000,000	10,000,000	16,315,790		10,000,000								2,500,000
Warrants issued for purchase of shares of common stock				2,000,000											81,578,946	50,000,000
Less: Exercised (in shares)				(8,749,999)
Ending balance (in shares)				56,513,157				16,315,790					28,818,666	28,818,666				2,500,000
Exercise price of warrants (in dollars per share)		$ 0.098	$ 0.15	$ 0.098	$ 0.15		$ 0.15	$ 0.098	$ 0.15	$ 0.25		$ 0.25	$ 0.20	$ 0.20	$ 0.098	$ 0.155		$ 0.15
Exercise price of warrants cancelled (in dollars per share)				$ 0.15				$ 0.15			$ 0.25								$ 0.15
Exercise price of warrants issued (in dollars per share)				$ 0.098				$ 0.098
Exercise price of warrants exercised (in dollars per share)				$ 0.098
Purchase price as a percentage of exercise price of warrants				30.00%
Shares of common stock issued on conversion of warrants				3,217,741
Term of warrants						5 years												5 years
Percentage of change in the present value of the cash flows of the convertible notes and associated warrants, minimum	10.00%
Loss on the extinguishment of debt	$ 1,283,000
Number of warrants exercised				5,438,596