Condensed Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements Of Comprehensive Loss [Abstract]
NET REVENUE	$ 54,744	$ 49,174
COST OF GOODS SOLD	39,570	37,072
GROSS PROFIT	15,174	12,102
OPERATING EXPENSES:
Research and development	9,942	7,986
Sales and marketing	3,533	3,033
General and administrative	3,068	2,341
Restructuring charge (recovery)	601	(41)
Total operating expenses	17,144	13,319
OPERATING LOSS	(1,970)	(1,217)
OTHER INCOME:
Interest income (expense), net	8	(6)
Other Income, net	3	2
Total other income (expense), net	11	(4)
LOSS BEFORE INCOME TAXES	(1,959)	(1,221)
INCOME TAX EXPENSE	(91)	50
NET LOSS	(1,868)	(1,271)
NET LOSS PER SHARE:
Basic and diluted	$ (0.03)	$ (0.02)
WEIGHTED AVERAGE SHARES USED TO CALCULATE NET LOSS PER SHARE:
Basic and diluted	56,030	54,334
COMPREHENSIVE LOSS:
Net loss	(1,868)	(1,271)
Foreign currency translation adjustment	75	9
Comprehensive loss	$ (1,793)	$ (1,262)