Derivative Liability (Details Textual) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended		1 Months Ended		1 Months Ended		12 Months Ended
	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2011 March Two Thousand Eleven Series C Financing [Member]	Dec. 31, 2012 March Two Thousand Eleven Series C Financing [Member]	Aug. 31, 2011 Warrants Issued To Consultants [Member]	Dec. 31, 2012 Warrants Issued To Consultants [Member]	Dec. 31, 2010 Series B Financing [Member]	Dec. 31, 2010 Series C Financing [Member]	Dec. 31, 2012 Bridge Financing in April and November 2012 [Member]	Nov. 30, 2012 Finders Fees [Member]	Apr. 30, 2012 Finders Fees [Member]	Nov. 30, 2012 Administrative Fees [Member]
Derivative Liability, Fair Value, Net [Abstract]
Loss resulting from revaluation of conversion features on preferred stock	$ 47
Decrease in the derivative liability, resulted from the reclassification of derivative value to equity	363
Subsidiary, Sale of Stock [Line Items]
Number of shares sold in private placement				800				8,048	2,211
Number of warrants outstanding						1,000,000				8,643,000	294,000	349,000	3,000,000
Fair value of warrants outstanding, initial						1
Fair value of warrants outstanding							2
Risk-free interest rate		1.78%				7.00%
Expected term						3 years
Volatility		205.30%				190.00%
Fair Value Assumptions, Expected Dividend Rate						0.00%
Exercise period of warrants						3 years
Warrants, expiration date						Aug. 11, 2014
Fair value of the derivative liability		$ 225	$ 281	$ 4	$ 3