Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
NET REVENUES:
Product	$ 20,962	$ 19,738
Licensing and product development	202	1,206
Total revenue	21,164	20,944
COST OF PRODUCTS SOLD	9,135	7,212
Gross profit	12,029	13,732
OPERATING EXPENSES:
Research and development	3,357	3,444
Sales and marketing	13,874	7,874
General and administrative	5,387	6,066
Total operating expenses	22,618	17,384
Operating loss	(10,589)	(3,652)
INTEREST EXPENSE		(75)
OTHER EXPENSE	(47)	(46)
Loss before income taxes	(10,636)	(3,773)
INCOME TAX BENEFIT	(410)	(521)
NET LOSS	$ (10,226)	$ (3,252)
LOSS PER SHARE:
BASIC	$ (0.18)	$ (0.07)
DILUTED	$ (0.18)	$ (0.07)
SHARES USED IN COMPUTING LOSS PER SHARE:
BASIC	55,449	47,807
DILUTED	55,449	47,807