Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Net sales	$ 96,504	$ 86,247
Cost of goods sold	53,727	48,504
Gross profit	42,777	37,743
Operating expenses:
Research and development expenses	2,898	2,551
Selling and marketing expenses	24,145	20,966
General and administrative expenses	9,013	8,961
Recovery of settlement expense, net of legal fees	(5,125)
Total operating expenses	30,931	32,478
Operating income	11,846	5,265
Other income (expense):
Interest income	3	6
Interest expense	(73)	(38)
Other	(1)	(12)
Income before income taxes	11,775	5,221
Income tax expense (benefit)	(2,689)	174
Net income	$ 14,464	$ 5,047
Net income per common share:
Basic (in Dollars per share)	$ 1.87	$ 0.70
Diluted (in Dollars per share)	$ 1.79	$ 0.66