Consolidated Statements Of Income (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 revenues:
Product sales	$ 32,130	$ 30,433	$ 95,596	$ 79,484
Promotion services	8,556	6,992	24,546	12,711
Total net revenues	40,686	37,425	120,142	92,195
Operating expenses:
Cost of product sales	5,475	5,024	15,631	13,301
Sales and marketing	17,042	15,222	52,371	33,311
Amortization of acquired intangible assets, related to sales and marketing	879	858	2,645	1,572
Research and development	864	3,035	5,750	9,235
General and administrative	5,673	5,202	14,089	19,419
Intangible asset impairment (Note 5)	42,728		42,728
Contingent consideration (Note 3)	(12,773)	(2,231)	(14,860)	(1,423)
Total operating expenses	59,888	27,110	118,354	75,415
Income (loss) from operations	(19,202)	10,315	1,788	16,780
Non-operating income (expense):
Interest and investment income	28	15	73	48
Interest and investment expense	(57)	(49)	(167)	(159)
Other (expense) income, net	(7)	(5)	(22)	6
Income (loss) before provision for income tax	(19,238)	10,276	1,672	16,675
(Benefit) provision for income tax	(5,696)	46	(4,085)	613
Net income (loss)	$ (13,542)	$ 10,230	$ 5,757	$ 16,062
Basic net income (loss) per share	$ (0.24)	$ 0.18	$ 0.10	$ 0.30
Diluted net income (loss) per share	$ (0.24)	$ 0.17	$ 0.10	$ 0.28