Condensed Consolidated Statements Of Comprehensive Loss (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
NET REVENUE	$ 48,223	$ 47,805	$ 150,529	$ 148,806
COST OF GOODS SOLD	35,955	36,364	110,035	112,322
GROSS PROFIT	12,268	11,441	40,494	36,484
OPERATING EXPENSES:
Research and development	9,368	8,384	28,226	23,125
Sales and marketing	3,558	3,623	10,415	9,889
General and administrative	2,101	1,922	7,146	6,267
Restructuring charge (recovery)	(183)	659	(228)	655
Total operating expenses	14,844	14,588	45,559	39,936
OPERATING LOSS	(2,576)	(3,147)	(5,065)	(3,452)
OTHER INCOME:
Interest income (expense), net	(4)	(18)	(4)	(29)
Other Income, net	(1)	3	12	7
Total other income (expense), net	(5)	(15)	8	(22)
LOSS BEFORE INCOME TAXES AND DISCONTINUED OPERATIONS	(2,581)	(3,162)	(5,057)	(3,474)
INCOME TAX (BENEFIT) / EXPENSE	153	75	462	190
LOSS FROM CONTINUING OPERATIONS	(2,734)	(3,237)	(5,519)	(3,664)
LOSS FROM DISCONTINUED OPERATIONS (See Note 3)	(280)	(8,945)	(4,411)	(11,734)
NET LOSS	(3,014)	(12,182)	(9,930)	(15,398)
NET LOSS PER SHARE:
Loss per share from continuing operations	$ (0.05)	$ (0.06)	$ (0.10)	$ (0.07)
Loss per share from discontinued operations	$ 0.00	$ (0.16)	$ (0.07)	$ (0.21)
Basic and diluted (in usd per share)	$ (0.05)	$ (0.22)	$ (0.17)	$ (0.28)
WEIGHTED AVERAGE SHARES USED TO CALCULATE NET LOSS PER SHARE:
Basic and diluted (in shares)	57,327	55,186	56,768	54,755
COMPREHENSIVE LOSS:
NET LOSS	(3,014)	(12,182)	(9,930)	(15,398)
Foreign currency translation adjustment	(49)	(65)	(10)	(93)
Comprehensive loss	$ (3,063)	$ (12,247)	$ (9,940)	$ (15,491)