Geographic Information (Geographical Distribution Of Net Sales) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 52,961	$ 59,955	$ 52,095
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	36,902	41,038	36,216
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,234	1,986	1,979
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	3,268	2,790	1,745
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,259	1,127	1,118
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	406	3,326	715
France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,734	1,480	1,424
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,442	1,190	1,457
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,487	2,203	1,478
Turkey [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	322	692	766
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	682	510	915
Vietnam [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	1,325	1,219	1,110
All Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 2,900	$ 2,394	$ 3,172