Basis of Presentation and Description of Business (Narrative) (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	0 Months Ended	6 Months Ended
	Jan. 14, 2014	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Reverse stock split ratio	0.02
Potentially dilutive common shares related to the outstanding preferred stock, stock options, restricted stock units and warrants		7.9	94.0
Restricted cash		$ 37		$ 37
Depreciation expense		$ 5	$ 1
Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets		2 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives of the assets		7 years