Business Segment and Foreign Operations (Tables)

9 Months Ended

Sep. 30, 2012

Business Segment and Foreign Operations [Abstract]

Schedule of net sales to external customers by geographic area

	Three Months Ended September 30,				Nine months Ended September 30,
(In thousands)	2012		2011		2012		2011
Net sales:
United States	$	48, 985	$	37,246	$	123,239	$	98,668
International:
People’s Republic of China		21,300		30,290		56,060		83,076
Argentina		2,279		2,409		6,841		4,673
Australia		347		522		895		1,078
Brazil		4,922		3,912		10,800		6,326
Canada		2,665		4,665		8,777		9,882
France		1,034		1,254		1,860		3,362
Germany		1,505		1,635		5,451		4,761
Israel		80		1,018		3,940		2,628
Italy		299		371		1,051		1,667
Japan		9,252		10,647		29,288		31,922
Korea		3,060		1,296		8,423		6,160
Malaysia		3 ,157		3,444		9,588		12,942
Netherlands		587		559		2,168		1,149
Portugal		278		663		773		1,463
Singapore		4,272		1,027		10,913		13,055
South Africa		1,355		2,833		3,091		5,211
Spain		1,027		872		2,735		2,925
Taiwan		2,189		5,169		8,248		16,515
Thailand		3,927		2,213		14,179		9,684
United Kingdom		7,018		5,038		18,843		16,567
All other		5,333		6,444		18,144		17,271
Total international		75,886		86,281		222,068		252,317
Total net sales	$	124,871	$	123,527	$	345,307	$	350,985

Schedule of Long-lived asset

(In thousands)	September 30, 2012		December 31, 2011
Long-lived tangible assets:
United States	$	4,011	$	3,530
People’s Republic of China		74,655		78,466
All other countries		3,597		3,803
Total	$	82,263	$	85,799