Segment Information And Geographic Data (Summary Information By Operating Segment) (Details) (Imported) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Reporting Information [Line Items]
Revenues	$ 40,686	$ 37,425	$ 120,142	$ 92,195
Operating income (loss)	(19,202)	10,315	1,788	16,780
China [Member]
Segment Reporting Information [Line Items]
Revenues	39,675	36,391	117,560	89,667
Operating income (loss)	(29,414)	16,286	(3,528)	35,382
Rest Of The World (Including The U.S.) [Member]
Segment Reporting Information [Line Items]
Revenues	1,011	1,034	2,582	2,528
Operating income (loss)	$ 10,212	$ (5,971)	$ 5,316	$ (18,602)