Geographic Information (Geographical Distribution Of Net Sales) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]
United States	$ 11,639	$ 9,961	$ 23,699	$ 19,911
Consolidated	15,841	13,943	32,365	27,711
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	397	287	987	829
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	822	604	1,336	1,131
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	256	192	550	372
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	256	457	668	746
France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	360	440	737	816
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	846	247	1,032	364
United Kingdom [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	443	243	1,044	460
Vietnam [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	267	334	563	535
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	178	274	307	452
All Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Foreign country	$ 377	$ 904	$ 1,442	$ 2,095