Stockholders' Equity (Details Textual 1) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		1 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Jan. 31, 2012	Aug. 31, 2014	Mar. 31, 2014	Feb. 28, 2014	Dec. 31, 2013	May 31, 2013	Nov. 30, 2014	Nov. 30, 2013	Dec. 31, 2012	Mar. 06, 2014	Feb. 07, 2014	Aug. 05, 2014
Subsidiary, Sale of Stock [Line Items]
Stock Issued During Period, Value, New Issues	$ 29	$ 29
Number of common shares, reserved for issuance upon exercise of outstanding warrants	213,521,000
Treasury Stock, Value	325	325					325
Treasury Stock, Shares	6,500,000	6,500,000					6,500,000
Warrants Weighted Average Exercise Price	$ 0.0284	$ 0.0289					$ 0.0289				$ 0.0269
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		3,583,000					3,583,000
Series A Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Common shares issued in connection with the conversion of preferred shares, shares	(238,000)
Series D One Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	607,000
Debt Instrument, Convertible, Beneficial Conversion Feature	253	958
Series D Two Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	303,000
Debt Instrument, Convertible, Beneficial Conversion Feature	52	39
Settlement of the Indemnification Claim [Member] | Series C Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction			278,000
Stock Issued During Period, Value, New Issues			417
Treasury Stock, Value			325
Treasury Stock, Shares			6,500,000
Private Placement [Member] | Series D Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from sale of stock, net				1,070	406	733	870	1,150
Preferred Units, Issued								230,000
Administrative fees paid in cash				50	4	47	40
Fair value of contingent warrants		1,618					1,618
Debt Instrument, Convertible, Beneficial Conversion Feature							411
Warrant coverage, maximum percentage				100.00%	100.00%	100.00%	100.00%
Warrants Weighted Average Exercise Price												$ 0.0275	$ 0.0275
Excercise period of warrants or rights				immediately	immediately	immediately	immediately
Warrants, expiration period				3 years			3 years
Class Of Warrant Or Right Expiration Date Of Warrants Or Rights					Dec. 31, 2016	Dec. 31, 2016
Private Placement [Member] | Series D Preferred Stock [Member] | Administrative Fee Warrants [Member]
Subsidiary, Sale of Stock [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights														3,000,000
Private Placement [Member] | Series D Preferred Stock [Member] | Finders Fee Warrants [Member]
Subsidiary, Sale of Stock [Line Items]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights														1,309,000
Private Placement [Member] | Series D One Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction				1,120,000	237,000	520,000	607,000
Stock exchanged during period							537,000
Preferred Units, Components								1
Private Placement [Member] | Series D Two Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of Stock, Number of Shares Issued in Transaction					137,000	260,000	303,000
Stock exchanged during period							(537,000)
Preferred Units, Components								4
Debt Conversion [Member] | Series D Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Conversion of short-term debt and accrued interest, net of offering costs							$ 1,179
Number of contingent warrants							120,785,000
Warrant coverage, maximum percentage							100.00%
Excercise period of warrants or rights							immediately
Warrants, expiration period							3 years
Debt Conversion [Member] | Series D One Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued in debt conversion							786,000
Debt Conversion [Member] | Series D Two Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Shares issued in debt conversion							393,000
Stock Conversion [Member] | Series A Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred stock converted into common shares during period, shares									238,000
Common shares issued in connection with the conversion of preferred shares, shares									1,701,000
Stock Conversion [Member] | Series C Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Preferred stock converted into common shares during period, shares				1,000						100,000
Common shares issued in connection with the conversion of preferred shares, shares				47,000						4,452,000