Stockholders' Equity (Details 8) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Class of Warrant or Right [Line Items]
Warrants	12,411	35,162
Common shares issued	3,583	27,625
Cash Received	$ 29	$ 212
Warrants Group One [Member]
Class of Warrant or Right [Line Items]
Warrants	1,300	28,511
Common shares issued	1,300	20,186
Cash Received	29
Warrants Group Two [Member]
Class of Warrant or Right [Line Items]
Warrants	11,111	6,651
Common shares issued	2,283	7,439
Cash Received		$ 212