Sales (Percentage Of Total Revenues From Significant Customers) (Details) (Sales Revenue, Goods, Net [Member], Customer Concentration Risk [Member])	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenue, Major Customer [Line Items]
Major customer, percentage of total revenues	74.00%	66.00%
Customer A [Member]
Revenue, Major Customer [Line Items]
Major customer, percentage of total revenues	74.00%	33.00%
Customer B [Member]
Revenue, Major Customer [Line Items]
Major customer, percentage of total revenues	0.00%	22.00%
Customer C [Member]
Revenue, Major Customer [Line Items]
Major customer, percentage of total revenues	0.00%	11.00%