Financing (Details 4) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended
	Jul. 20, 2012	Jun. 01, 2012	Apr. 26, 2012	Mar. 26, 2012	Feb. 06, 2012	Jan. 11, 2012	Dec. 31, 2012	Dec. 31, 2011
Gross proceeds	$ 450	$ 450	$ 450	$ 450	$ 450	$ 400
Structuring and due diligence fee	(25)	(25)	(25)	(25)	(25)	(25)
Net Proceeds From Derivative Instrument	425	425	425	425	425	375
Hybrid instrument	(732)	(799)	(878)	(287)	(176)	(289)
Derivative warrants	(8)	(9)	(11)	(42)	(9)	(13)
Day one derivative loss	315	383	464	0	0	0
Convertible Debt Total	$ (425)	$ (425)	$ (425)	$ (329)	$ (185)	$ (302)
Warrant shares issued (in thousands)	1,000	1,000	1,000	1,000	1,000	1,000	1,882,493	1,601,629
Initial exercise price of warrants	$ 0.1500	$ 0.1500	$ 0.1500	$ 0.1500	$ 0.1500	$ 0.1500
Warrant valuation inputs:
Anti-dilution adjusted exercise price at issuance	$ 0.0080	$ 0.0093	$ 0.0117	$ 0.0418	$ 0.0090	$ 0.0135
Expected life	5 years	5 years	5 years	5 years	5 years	5 years
Estimated volatility	174.00%	179.00%	178.00%	243.00%	254.00%	274.00%
Risk free rate of return	0.28%	0.32%	0.36%	0.48%	0.33%	0.32%
Dividend yield	0	0	0	0	0	0
Hybrid instrument valuation inputs:
Conversion price	$ 0.006840	$ 0.009300	$ 0.007125	$ 0.030772	$ 0.009425	$ 0.009975
Equivalent volatility	176.00%	178.00%	247.00%	170.00%	166.00%	170.00%
Equivalent interest risk	14.00%	14.00%	14.00%	14.00%	14.00%	14.00%
Equivalent credit risk	7.21%	7.18%	7.20%	7.19%	7.37%	7.37%