Equity (Details Textual 1) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended		9 Months Ended		2 Months Ended	9 Months Ended				2 Months Ended	9 Months Ended			1 Months Ended		1 Months Ended			1 Months Ended		1 Months Ended		1 Months Ended		12 Months Ended	1 Months Ended				1 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended					1 Months Ended
	Mar. 31, 2011	Jun. 30, 2012	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2010	Sep. 30, 2012 Series A Preferred Stock [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Mar. 31, 2012 Series B Preferred Stock [Member]	Sep. 30, 2012 Series B Preferred Stock [Member]	Dec. 31, 2011 Series B Preferred Stock [Member]	Dec. 31, 2010 Series B Preferred Stock [Member]	Aug. 05, 2010 Series B Preferred Stock [Member]	Mar. 31, 2012 Series C Preferred Stock [Member]	Sep. 30, 2012 Series C Preferred Stock [Member]	Dec. 31, 2011 Series C Preferred Stock [Member]	Dec. 31, 2010 Series C Preferred Stock [Member]	Sep. 30, 2011 September 2011 Note And Warrant Purchase Agreement [Member]	Sep. 20, 2011 September 2011 Note And Warrant Purchase Agreement [Member]	Feb. 29, 2012 December 2011 Note And Warrant Purchase Agreement [Member]	Dec. 31, 2011 December 2011 Note And Warrant Purchase Agreement [Member]	Dec. 20, 2011 December 2011 Note And Warrant Purchase Agreement [Member]	Apr. 30, 2012 April 2012 Note And Warrant Purchase Agreement [Member]	Apr. 23, 2012 April 2012 Note And Warrant Purchase Agreement [Member]	Sep. 30, 2012 September 2012 Note Purchase Agreement [Member]	Sep. 14, 2012 September 2012 Note Purchase Agreement [Member]	May 31, 2008 May 2008 Series A Financing [Member]	Oct. 31, 2008 Series A Exchange For Series A-1 [Member]	Dec. 31, 2009 Series A-1 Financing [Member]	Aug. 31, 2010 August 2010 Series B Financing [Member]	Dec. 31, 2010 December 2010 Series C Financing [Member]	Mar. 31, 2011 March 2011 Series C Financing [Member]	Sep. 30, 2012 March 2011 Series C Financing [Member]	Mar. 31, 2011 Settlement of the Indemnification Claim [Member] Series C Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series A Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series A Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series B Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series B Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series C Preferred Stock [Member]	Sep. 30, 2012 Payment of dividends [Member] Series C Preferred Stock [Member]	Aug. 05, 2010 Related Party [Member] Series B Preferred Stock [Member]	Dec. 31, 2010 Related Party [Member] Series C Preferred Stock [Member]	Aug. 05, 2010 Other Holders [Member] Series B Preferred Stock [Member]	Dec. 31, 2010 Other Holders [Member] Series C Preferred Stock [Member]	Mar. 31, 2011 Professional Service Agreement [Member] Series C Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Number of shares sold in private placement																									1,103,000		1,040,000			1,440,000	2,211,000	800,000		278,000											97,000
Stock Exchanged During Period Shares New Issues																												1,040,000
Preferred stock converted into common shares during period, shares										140,000					39,000														146,000
Common shares issued in connection with the conversion of preferred shares, shares										3,232,000					1,729,000														1,005,000																4,311,000
Preferred stock, shares outstanding							934,000	880,000		9,811,000	9,250,000				4,073,000	3,547,000
Annual dividend percentage							8.00%			10.00%					10.00%
Preferred Stock, Liquidation Preference Per Share							$ 1.00			$ 1.50					$ 1.50
Initial conversion price										$ 0.06
Conversion price							$ 0.14			$ 0.0433					$ 0.0225											$ 0.05
Stock issued during period, shares, new issues																																			18,000	54,000	241,000	701,000	100,000	287,000
Stock Issued During Period, Value, New Issues			$ 212																															$ 417
Projected number of common shares, subject to converison from preferred stock							6,672,000			226,434,000					181,010,000
Proceeds from sale of stock, net																									225					1,440	2,211	800
Expenses from the sale of stock																														437
Third party expneses in connection with the sale of stock																														143	422	110
Fair value of the derivative liability		18	182		281							130	2,000				179															4	4								1,498	113	502	66
Loss resulting from revaluation of conversion features on preferred stock	47
Beneficial Conversion Feature associated with Preferred stock			968	929																											179	3,501					51	263	100	287
Value of Preferred Stock							934	880		7,940	7,380				4,652	3,569
Accretion of Beneficial Conversion Feature on Series C Preferred Shares issued in settlement of the indemnification claim															417																			418
Warrants Weighted Average Exercise Price			$ 0.0254		$ 0.0261	$ 0.0274													$ 0.0225			$ 0.0225		$ 0.0500
Number of common shares callable by warrants																			5,556,000			5,556,000		5,000,000,000								1,778,000
Number of shares issued by warrants excercise																				5,000,000
Number of shares issued by warrants excercise, cashless									3,696,000					23,929,000						4,889,000
Number of shares issued by warrants excercise, for cash																				111,000
Proceeds from issuance of common stock, related to warrants exercise									73					140
Number of common shares, reserved for issuance upon exercise of outstanding warrants			149,831,000
Number Of Warrants Or Rights Issued			5,349,000		59,735,000																		5,349,000
Number Of Warrants Or Rights Exercised			35,162,000		12,222,000				6,484,000					27,625,000
Class Of Warrant Or Right Excercise Period Of Warrants Or Rights									3 years					3 years				3 years			3 years		3 years
Class Of Warrant Or Right Number Of Warrants Or Rights Excercised In Cashless Excercise									5,267,000					20,186,000
Class Of Warrant Or Right Number Of Warrants Or Rights Excercised For Cash									1,217,000					7,439,000
Class Of Warrant Or Right Number Of Warrants Or Rights Expired		2,916,000	3,000,000		0
Gain on derivative liability		18
Increase (Decrease) in Derivative Liabilities	$ 362