Equity Financing and the Debt Restructuring (2010 Equity Financing and the Debt Restructuring) (Details) (USD $)	12 Months Ended			0 Months Ended				1 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended					0 Months Ended	12 Months Ended				12 Months Ended	0 Months Ended					0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2011 Warrants Issued Pursuant to Waiver Agreement [Member]	Mar. 26, 2012 Amended and Restated Senior 6.25% Convertible Note [Member]	Dec. 24, 2010 Amended and Restated Senior 6.25% Convertible Note [Member]	Jul. 30, 2010 Amended and Restated Senior 6.25% Convertible Note [Member]	Mar. 26, 2010 Amended and Restated Senior 6.25% Convertible Note [Member]	Dec. 24, 2007 Amended and Restated Senior 6.25% Convertible Note [Member]	Dec. 31, 2012 Amended and Restated Senior 6.25% Convertible Note [Member]	Dec. 24, 2010 Unsecured Convertible Note [Member]	Dec. 31, 2012 Unsecured Convertible Note [Member]	Dec. 31, 2013 Unsecured Convertible Note [Member]	Dec. 23, 2009 Unsecured Convertible Note [Member]	Nov. 02, 2006 Unsecured Convertible Note [Member]	Nov. 29, 2010 2010 Bridge Loan [Member]	Dec. 24, 2010 2010 Plan [Member]	Dec. 31, 2013 2010 Plan [Member]	Dec. 31, 2012 2010 Plan [Member]	Dec. 31, 2011 2010 Plan [Member]	Mar. 26, 2012 2010 Plan [Member]	Dec. 31, 2011 2010 Plan [Member] Warrants Issued Pursuant to Waiver Agreement [Member]	Dec. 24, 2010 2010 Plan [Member] Minimum [Member]	Dec. 24, 2010 2010 Plan [Member] Maximum [Member]	Apr. 05, 2012 2012 Plan [Member]	Mar. 26, 2012 2012 Plan [Member]	Dec. 31, 2013 2012 Plan [Member]	Mar. 26, 2012 2012 Plan [Member] Minimum [Member]	Mar. 26, 2012 2012 Plan [Member] Maximum [Member]
Equity Financing and Debt Restructuring [Line Items]
Gross consideration in equity financing transaction																						$ 10,000,000	$ 15,000,000		$ 6,000,000		$ 3,000,000	$ 10,000,000
Shares of stock issued per warrant exercised																1									0.5
Commission fee percentage																8.00%									10.00%
Shares of common stock issued						2,000,000	1,000,000	1,000,000		150,000						40,000								616,000	2,000,000
Value of shares issued for agent fees, denominator																1,000,000
Payments for placement fees																180,000
Equity units subscribed but unissued																12,500,000
Per share subscription price of equity units																$ 1.20
Warrant term length																5 years
Exercise price of warrants										0.90						1.00	0.7312			0.78
Proceeds from equity financing		6,150,000														13,500,000								154,000
Principal issued					5,500,000			15,000,000						1,000,000	1,000,000
Repayments of convertible debt					2,500,000											2,750,000
Cash paid to settle debt				2,750,000	2,750,000											2,500,000									2,750,000
Number of warrants cancelled					5,208,333											5,208,333
Number of shares issued for debt restructuring				2,000,000	800,000											800,000
Value of shares issued for debt restructuring				760,000																					760,000
Shares of stock issuable, but forgone in lieu of cash payment					3,500,000											3,500,000
Debt forgiveness					7,200,000											7,200,000
Debt interest rate								6.25%				8.00%	8.00%	5.00%
Interest paid	66,700	347,902		680,816	350,434			937,000
Accrued interest payable									680,816																680,816
Conversion price					$ 1.35	$ 1.80		$ 5.45						$ 1.50
Warrants issued			400,000							75,000							12,499,980									18,470,400
Stock issued upon exercise of warrants																			372,272
Derivative valuation	11,736	1,191,269							81,500		46,400						499	109,400
Gain on derivative valuation	$ 1,242,459	$ 8,829,748							$ 203,700		$ 253,600						$ 108,901	$ 2,765,600			$ 144,000
Risk-free interest rate											0.16%						0.38%
Expected life											1 year						2 years
Expected volatility											112.04%						120.96%
Dividend yield											0.00%						0.00%
Stock trading price											$ 0.08						$ 0.005