Equity Financing and the Debt Restructuring (2012 Equity Financing and the Debt Restructuring) (Details) (USD $)	3 Months Ended		6 Months Ended			0 Months Ended							0 Months Ended		1 Months Ended	6 Months Ended					1 Months Ended	6 Months Ended	9 Months Ended		0 Months Ended		6 Months Ended		0 Months Ended	6 Months Ended				0 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Dec. 28, 2011 Warrants Issued to Reset Provision and Extend Maturity Date of Bridge Loan Warrants [Member]	Dec. 28, 2011 Original Warrants Issued for Bridge Loan [Member]	Mar. 26, 2012 Bridge Loan Conversion [Member]	Mar. 26, 2012 Equipment Purchase Agreement Conversion [Member]	Mar. 26, 2012 Amended and Restated Senior Convertible Note [Member]	Dec. 24, 2007 Amended and Restated Senior Convertible Note [Member]	Dec. 24, 2010 Amended and Restated Senior Convertible Note [Member]	Mar. 26, 2012 Bridge Loan Note Payable [Member]	Dec. 28, 2011 Bridge Loan Note Payable [Member]	Dec. 31, 2011 Bridge Loan Note Payable [Member]	Jun. 30, 2013 Bridge Loan Note Payable [Member] Warrants Issued to Reset Provision and Extend Maturity Date of Bridge Loan Warrants [Member]	Jun. 30, 2012 Bridge Loan Note Payable [Member] Warrants Issued to Reset Provision and Extend Maturity Date of Bridge Loan Warrants [Member]	Jun. 30, 2013 Bridge Loan Note Payable [Member] Original Warrants Issued for Bridge Loan [Member]	Jun. 30, 2012 Bridge Loan Note Payable [Member] Original Warrants Issued for Bridge Loan [Member]	Jun. 30, 2013 Class A Warrant [Member]	Oct. 31, 2007 Class B Warrant [Member]	Jun. 30, 2013 Class A and B Warrants [Member]	Dec. 31, 2012 Class A and B Warrants [Member]	Jun. 30, 2012 Class A and B Warrants [Member]	Apr. 05, 2012 2012 Plan [Member]	Mar. 26, 2012 2012 Plan [Member]	Jun. 30, 2013 2012 Plan [Member]	Jun. 30, 2012 2012 Plan [Member]	Apr. 05, 2012 2012 Plan [Member] Class A Warrant [Member]	Jun. 30, 2013 2012 Plan [Member] Class A Warrant [Member]	Mar. 26, 2012 2012 Plan [Member] Class A Warrant [Member]	Jun. 30, 2013 2012 Plan [Member] Class B Warrant [Member]	Mar. 26, 2012 2012 Plan [Member] Class B Warrant [Member]	Mar. 26, 2012 2012 Plan [Member] Maximum [Member]	Mar. 26, 2012 2012 Plan [Member] Minimum [Member]
Equity Financing and Debt Restructuring [Line Items]
Gross consideration in equity financing transaction																										$ 6,000,000								$ 10,000,000	$ 3,000,000
Commission fee percentage																										10.00%
Percent of issued common stock covered by warrants issued in transaction																										10.00%
Number of units to be issued in financing transaction																										27,800,000
Price per unit																										$ 0.25
Shares of stock issued per warrant exercised																										0.5
Warrant term length						6 years	5 years
Exercise price of warrants						0.35	0.65																								0.35		0.05
Maximum share price triggering exercisability of warrant																										$ 0.25
Amount of financing proceeds triggering expiration of warrants														12,000,000	12,000,000
Number of shares of common stock warrants can be exercised for						247,500	357,500								357,500
Proceeds from issuance of stock and warrants																										6,100,000
Proceeds from equity financing			425,000	6,150,000																					154,000
Shares of common stock issued																					650,000				616,000	2,000,000
Value of shares issued for debt restructuring										760,000																760,000
Cash paid to settle debt										2,750,000																2,750,000
Amount of debt converted								400,000	500,000				400,000
Number of shares issued for agent fees										586,164
Payments for debt extinguishment costs			66,646	275,041						275,041
Number of warrants issued																													400,400
Number of warrants issued to investors																													308,000
Principal issued											15,000,000	5,500,000	900,000	1,300,000	1,300,000
Warrants issued to investment banker				250,000																									92,400
Debt interest rate											6.25%			18.00%	18.00%
Debt maturity date											Dec. 21, 2013				Feb. 28, 2012
Derivative valuation	1,275,275	4,309,537	1,275,275	4,309,537	1,191,269											7,700	34,700	8,700	46,700			783,715		3,101,537			783,715	3,101,537		725,084		58,631
Gain (loss) on derivative valuation	$ 709,509	$ 2,959,155	$ (25,606)	$ 4,588,480												$ (500)	$ 61,825	$ (1,300)	$ 97,000			$ (26,246)	$ 659,855				$ (26,246)	$ 1,659,855
Risk-free interest rate																0.85%		0.85%		1.41%										1.41%
Expected life																3 years 6 months		3 years 6 months		4 years 8 months 12 days										4 years 8 months 12 days
Expected volatility																94.74%		92.74%		91.50%										91.50%
Dividend yield																0.00%		0.00%		0.00%										0.00%
Stock trading price																$ 0.08		$ 0.08		$ 0.08										$ 0.08