Condensed Consolidated Statements Of Operations And Comprehensive Loss (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Consolidated Statements Of Operations And Comprehensive Loss [Abstract]
NET REVENUE	$ 48,071	$ 61,586	$ 150,424	$ 187,053
COST OF GOODS SOLD	40,029	50,291	117,085	157,964
GROSS PROFIT	8,042	11,295	33,339	29,089
OPERATING EXPENSES:
Research and development	9,506	7,439	26,438	23,659
Sales and marketing	3,768	2,592	10,450	9,332
General and administrative	2,060	2,424	6,838	7,725
Restructuring charge	659	104	655	1,806
Goodwill impairment charge	4,140		4,140
Total operating expenses	20,133	12,559	48,521	42,522
OPERATING LOSS	(12,091)	(1,264)	(15,182)	(13,433)
OTHER INCOME:
Interest income (expense), net	(18)	6	(29)	13
Other Income (expense), net	2	(2)	3	(17)
Total other income (expense), net	(16)	4	(26)	(4)
LOSS BEFORE INCOME TAXES	(12,107)	(1,260)	(15,208)	(13,437)
INCOME TAX EXPENSE	75	9	190	93
NET LOSS	(12,182)	(1,269)	(15,398)	(13,530)
NET LOSS PER SHARE:
Basic and diluted	$ (0.22)	$ (0.20)	$ (0.28)	$ (0.26)
WEIGHTED AVERAGE SHARES USED TO CALCULATE NET LOSS PER SHARE:
Basic and diluted	55,186	53,529	54,755	52,778
COMPREHENSIVE LOSS:
Net loss	(12,182)	(1,269)	(15,398)	(13,530)
Foreign currency translation adjustment	(65)	(76)	(93)	(115)
Comprehensive loss	$ (12,247)	$ (1,345)	$ (15,491)	$ (13,645)