Geographical and Customer Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenue	$ 2,344	$ 2,267
Net income (loss):	(19,386)	(849)
Identifiable assets:	6,039	7,600
United States [Member]
Revenue	2,099	1,742
Net income (loss):	(17,816)	572
Identifiable assets:	5,902	6,998
Europe [Member]
Revenue	245	525
Net income (loss):	(1,570)	(1,421)
Identifiable assets:	$ 137	$ 602