Selected Balance Sheet Information (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 56	$ 465
Less accumulated depreciation	(19)	(242)
Total	37	223
Manufacturing equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	0	297
Computer and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	45	35
Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	11	0
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 0	$ 133