Geographic Information (Geographical Distribution Of Net Sales) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 17,507	$ 11,479	$ 34,817	$ 25,605
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	13,018	7,949	25,840	16,930
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	472	233	1,063	528
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	284	399	606	781
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	647	869	1,346	2,197
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	831	5	942	124
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	275	355	607	788
Vietnam [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	437	240	801	634
UK [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	240	142	763	750
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	346	83	524	286
Turkey [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	130	66	323	177
France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	391	389	925	801
All Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 436	$ 749	$ 1,077	$ 1,609