CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUE:
Product sales	$ 73,695	$ 71,557
Services and other	9,276	6,388
Total revenue	82,971	77,945
COSTS AND EXPENSES:
Cost of product sales	29,512	34,433
Cost of services and other	6,904	3,507
Research and development	11,635	12,248
Selling, general and administrative	38,562	35,121
Litigation settlement	5,100	0
Restructuring charges	0	4,842
Total costs and expenses	91,713	90,151
Loss from operations	(8,742)	(12,206)
Interest income and other, net	293	342
Interest expense	1,753	2,898
Loss before income taxes	(10,202)	(14,762)
Income tax provision	272	675
Net loss	$ (10,474)	$ (15,437)
Basic and diluted net loss per common share (in dollars per share)	$ (0.14)	$ (0.22)
Shares used in computing basic and diluted net loss per common share	72,498	70,919