CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUE:
Product sales	$ 71,557	$ 58,491
Services and Other	6,388	6,756
Total revenue	77,945	65,247
COSTS AND EXPENSES:
Cost of product sales	34,433	23,565
Cost of services and other	3,507	3,779
Research and development	12,248	13,331
Selling, general and administrative	35,121	27,924
Restructuring charges	4,842	0
Total costs and expenses	90,151	68,599
Loss from operations	(12,206)	(3,352)
Interest income and other, net	342	26
Interest expense	2,898	980
Loss before income taxes	(14,762)	(4,306)
Income tax provision (benefit)	675	(89)
Net loss	$ (15,437)	$ (4,217)
Basic and diluted net loss per common share (in dollars per share)	$ (0.22)	$ (0.06)
Shares used in computing basic and diluted net loss per common share (in shares)	70,919	69,977