Financing (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Debt Conversion [Line Items]
Preferred Stock, Face Value	$ 4,705	$ 5,164
Preferred Stock, Carrying Value	4,705	5,164
Preferred Stock, Embedded Conversion Feature	23	296
Preferred Stock, Common Stock Shares (in shares)	48,506,186	26,617,345
Series C Convertible Preferred Stock [Member]
Debt Conversion [Line Items]
Preferred Stock, Face Value	4,357	4,816
Preferred Stock, Carrying Value	4,357	4,816
Preferred Stock, Embedded Conversion Feature	21	276
Preferred Stock, Common Stock Shares (in shares)	44,917,526	24,823,015
Series D Convertible Preferred Stock [Member]
Debt Conversion [Line Items]
Preferred Stock, Face Value	348	348
Preferred Stock, Carrying Value	348	348
Preferred Stock, Embedded Conversion Feature	$ 2	$ 20
Preferred Stock, Common Stock Shares (in shares)	3,588,660	1,794,330