Financing (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Significant Terms Debentures for Entire Hybrid Instrument [Table Text Block]

The following table summarizes the significant terms of each of the debentures for which the entire hybrid instrument is recorded at fair value as of September 30, 2014:

								Conversion Price – Lower of Fixed Price or Percentage of VWAP for Look-back period
								Anti- Dilution
Debenture	Face		Interest			Fixed		Adjusted					Look-back
Issuance Year	Amount		Rate			Price		Price		%			Period
	(in thousands)
2006	$	1,962		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2007		547		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2007		272		-		$	2.00	$	0.000090		95	%		125 Days
2008		1,106		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2008		830		-		$	2.00	$	0.000090		95	%		125 Days
2009		18		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2011		826		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2012		762		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2012		210		-		$	2.00	$	0.000090		95	%		125 Days
2013		22,084		9.5	%	$	2.00	$	0.000095		90	%		125 Days
2013		7,127		-		$	2.00	$	0.000090		95	%		125 Days
Total	$	35,744

Schedule of Number of Shares Issued Convertible Preferred Stock [Table Text Block]

The following table provides a summary of the preferred stock conversions that have occurred since inception and the number of shares of common stock issued upon conversion.

	Preferred shares		Preferred shares		Preferred shares		Common shares
	issued		converted		remaining		Issued
	(in thousands)
Series C Preferred Stock		22		18		4		852,048
Series D Preferred Stock		25		22		3		16,344

Schedule of Debt Conversions [Table Text Block]

The outstanding principal and accrued interest for the debentures as of September 30, 2014 is reflected in the following table in addition to the principal and interest converted since inception and the number of shares of common stock issued upon conversion.

	Outstanding principal and accrued interest at September 30, 2014		Principal and accrued interest converted since inception		Common Shares issued
	(in thousands)
Debentures	$	39,071	$	12,389		1,891,961

Schedule of Activities of Compound Embedded Derivative [Table Text Block]

The following table reflects the face value of the instruments and the fair value of the separately recognized compound embedded derivative, as well the number of common shares into which the instruments are convertible as of September 30, 2014 and December 31, 2013.

September 30, 2014
	Face		Carrying		Embedded Conversion		Common Stock
	Value		Value		Feature		Shares
	(in thousands)
Series C Preferred Stock	$	4,357	$	4,357	$	21		44,917,526
Series D Preferred Stock		348		348		2		3,588,660
Total	$	4,705	$	4,705	$	23		48,506,186

December 31, 2013
	Face		Carrying		Embedded Conversion Feature		Common Stock
	Value		Value		(Restated)		Shares
	(in thousands)
Series C Preferred Stock	$	4,816	$	4,816	$	276		24,823,015
Series D Preferred Stock		348		348		20		1,794,330
Total	$	5,164	$	5,164	$	296		26,617,345

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

Gain (loss) from change in fair value of derivative liability – Series C and D Preferred Stock and debentures

	Three months ended September 30,				Nine months ended September 30,
			2013				2013
	2014		(Restated)		2014		(Restated)
	(in thousands)				(in thousands)
Series C Preferred Stock	$	27	$	29	$	255	$	1,907
Series D Preferred Stock		2		2		18		138
Debentures:
2006		–		–		–		(16)
Gain (loss) from change in fair value of derivative liability	$	29	$	31	$	273	$	2,029

Schedule of Hybrid Financial Instrument Disclosure [Table Text Block]

The following table reflects the face value of the financial instruments, the fair value of the hybrid financial instrument and the number of shares of common stock into which the instruments are convertible as of September 30, 2014 and December 31, 2013.

September 30, 2014					Common
	Face		Fair		Stock
	Value		Value		Shares
	(in thousands)
Debentures:
2006	$	1,962	$	1,995		22,923,200
2007		819		971		11,169,826
2008		1,936		1,884		22,189,724
2009		18		56		599,497
2011		826		817		9,401,222
2012		972		1,068		12,308,528
2013		29,211		28,997		337,653,494
Total	$	35,744	$	35,788		416,245,491

December 31, 2013			Fair		Common
	Face		Value		Stock
	Value		(Restated)		Shares
	(in thousands)
Debentures:
2006	$	1,962	$	2,008		819,019
2007		839		533		216,720
2008		2,047		1,905		779,294
2009		134		151		61,563
2011		852		854		348,437
2012		972		1,392		568,305
2013		34,211		31,407		12,826,301
Total	$	41,017	$	38,250		15,619,639

Schedule of Fair Value Hybrid Financial Instrument Disclosure [Table Text Block]

Gain (loss) from change in fair value of hybrid financial instruments

	Three months ended September 30,				Nine  months ended September 30,
			2013				2013
	2014		(Restated)		2014		(Restated)
	(in thousands)				(in thousands)
2006	$	(83)	$	1,048	$	(144)	$	6,657
2007		(35)		1,083		(49)		6,878
2008		(82)		1,309		(140)		8,315
2009		(1)		253		(6)		1,605
2010		-		-		-		-
2011		(35)		496		(61)		3,150
2012		(41)		117		(86)		742
2013		(1,092)		189		(2,056)		1,202
Gain (loss) from changes in fair value of hybrid instruments	$	(1,369)	$	4,495	$	(2,542)	$	28,549

Schedule of Warrants Embedded Warrants Fair Value Outstanding and Anti Dilutive Adjustment Disclosure [Table Text Block]

Warrants – The following table summarizes the warrants outstanding, their fair value and their exercise price after adjustment for anti-dilution provisions:

			September 30, 2014						December 31, 2013
			Anti- Dilution Adjusted						Anti- Dilution Adjusted				Fair
	Expiration		Exercise				Fair		Exercise				Value
	Year		Price		Warrants		Value		Price		Warrants		(Restated)
			(in thousands)								(in thousands)
Warrants issued with preferred stock:
Series D Preferred Stock		2017		0.001500		5,825	$	0.29		0.00010		87,368	$	110
Warrants issued with debentures:
2008		2015		0.001500		15,872		0.79		0.00010		238,079		294
2010		2015		0.001500		5,423		0.27		0.00010		81,350		101
2011		2016		0.001500		3,883		0.19		0.00010		58,246		72
2012		2017		0.001500		2,330		0.12		0.00010		34,947		43
Total						33,333	$	2				499,990	$	620

Schedule of Changes in Fair Value of Warrants [Table Text Block]

The changes in the fair value of the warrants were as follows:

Gain from change in fair value of derivative liability – warrants

	Three months ended September 30,				Nine months ended September 30,
			2013				2013
	2014		(Restated)		2014		(Restated)
	(in thousands)				(in thousands)
Warrants issued with preferred stock:
Series D Convertible Preferred Stock	$	7	$	16	$	108	$	614
Warrants issued with debentures:
2008		18		43		294		1,673
2010		6		15		101		572
2011		4		10		72		409
2012		3		6		43		246
Gain from change in fair value of derivative liability – warrants	$	38	$	90	$	618	$	3,514

Schedule of Reconciliation Changes in Fair Value of Financial Instruments and Hybrid Instruments Carried at Fair Value [Table Text Block]

The following represents a reconciliation of the changes in fair value of financial instruments measured at fair value using Level 3 inputs and changes in the fair value of hybrid instruments carried at fair value during the nine months ended September 30, 2014:

	Compound
	Embedded		Warrant		Hybrid
	Derivatives		Derivatives		Instruments		Total
Beginning balance, December 31, 2013 (restated):	$	296	$	620	$	38,250	$	39,166
Fair value adjustments:
Compound embedded derivatives		(273)		-		-		(273)
Warrant derivatives		-		(618)		-		(618)
Hybrid instruments		-		-		2,542		2,542
Debt Extinguishment						(4,247)		(4,247)
Conversions:
Series D Preferred Stock		(1)		-		-		(1)
August 24, 2006 financing		-		-		(195)		(195)
December 29, 2006 financing		-		-		(61)		(61)
March 27, 2007 financing		-		-		(97)		(97)
October 28, 2008 financing		-		-		(148)		(148)
August 14, 2009 financing		-		-		(133)		(133)
February 8, 2011 financing		-		-		(35)		(35)
March 11, 2011 financing		-		-		(11)		(11)
April 13, 2011 financing		-		-		(3)		(3)
May 31, 2011 financing		-		-		(1)		(1)
June 28, 2011 financing		-		-		(3)		(3)
December 8, 2011 financing						(30)		(30)
July 1, 2013 financing						(40)		(40)
Ending balance, September 30, 2014	$	22	$	2	$	35,788	$	35,812