Operating Segments and Related Information (Geographic Area Information) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Revenues	$ 22,110	$ 58,742
Revenue, Percentage	100.00%	100.00%
United States [Member]
Revenues	10,436	29,827
Revenue, Percentage	47.00%	51.00%
Europe / Africa [Member]
Revenues	3,628	5,258
Revenue, Percentage	17.00%	9.00%
Asia [Member]
Revenues	7,971	21,666
Revenue, Percentage	36.00%	37.00%
Rest of the World [Member]
Revenues	$ 75	$ 1,991
Revenue, Percentage	0.00%	3.00%