Geographic Information (Geographical Distribution Of Long-Lived Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 4,600	$ 4,245
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,738	3,307
Other - Primarily Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 862	$ 938