Series A Convertible Preferred Stock (restated) (Details Textual) In Thousands, except Share data, unless otherwise specified	1 Months Ended			12 Months Ended						12 Months Ended		1 Months Ended	12 Months Ended			1 Months Ended			12 Months Ended
	Dec. 31, 2012 USD ($)	Oct. 29, 2012 USD ($)	Oct. 31, 2012	Dec. 31, 2012 USD ($)	Oct. 29, 2013 USD ($)	Mar. 26, 2012 GBP (£)	Mar. 21, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2012 March And April 2013 [Member]	Dec. 31, 2012 Black Scholes Pricing [Member]	Oct. 29, 2012 Black Scholes Pricing [Member] USD ($)	Nov. 30, 2012 Mgt [Member]	Dec. 31, 2012 Mgt [Member] USD ($)	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2012 Cash Maintenance [Member] USD ($)	Mar. 31, 2013 Series A Convertible Preferred Stock [Member]	Feb. 28, 2013 Series A Convertible Preferred Stock [Member]	Nov. 30, 2012 Series A Convertible Preferred Stock [Member] USD ($)	Dec. 31, 2012 Series A Convertible Preferred Stock [Member] USD ($)	Nov. 02, 2012 Series A Convertible Preferred Stock [Member] USD ($)	Dec. 31, 2011 Series A Convertible Preferred Stock [Member] USD ($)	Nov. 02, 2012 Common Stock [Member] USD ($)
Proceeds from Issuance of Private Placement																			$ 4,500
Preferred stock, shares outstanding	0			0				0							345,092	30,000	241,748		1,394,766	1,380,362	0
Issuance Of Warrants To Purchase Of Common Stock												400,000							2,760,724
Common stock, par value (in dollars per share)	$ 0.001			$ 0.001		£ 16,250.000	$ 0.001	$ 0.001												$ 3.26		$ 3.01
Preferred Stock, Dividend Rate, Percentage				6.00%															6.00%
Sale Of Private Placement Shares																			1,380,362
Warrants Term																			five-year
Class of Warrant or Right, Exercise Price of Warrants or Rights	4.00			4.00							3.85									3.85
Cash															2,000
Preferred stock,par value (in dollars per share)	$ 0.001			$ 0.001				$ 0.001											$ 0.001		$ 0.001
Preferred Stock Convertible Conversion Price																			$ 3.26
Preferred Stock Dividends, Shares																			14,404
Fair Value Assumptions, Risk Free Interest Rate		0.76%								0.76%
Fair Value Assumptions, Expected Volatility Rate		75.00%								75.00%				75.00%
Fair Value Assumptions, Exercise Price	$ 3.85	$ 3.85		$ 3.85
Share Price	$ 3.86			$ 3.86							$ 3.98
Fair Value Assumptions, Expected Term			5 years	4 years						5 years				5 years
Service Agreements Description				the Company was required to enter into investor/public relations service agreements, with terms of seven, ten and twelve months.
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)	1,394,766			1,394,766														100,000
Agreement Terminated Date				Jan. 31, 2013
Reduction In Cash Consideration				108
Stock Issued During Period, Shares, Conversion of Convertible Securities																30,000	241,748
Service Agreements Expenses Incurred During Period													79
Service Agreements Total Expenses																		444
Preferred Stock Shares Conversion	1,123,809			1,123,809
Preferred Stock Shares Conversion In To Common Stock									1,125,763
Preferred Stock Shares Of Accrued Interest	1,954			1,954
Fair Value Of Warrants	6,364			6,364	6,731
Gain On Change In Fair Value Of Derivative Liability	$ 365