Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Operations
Net sales	$ 15,112	$ 14,158	$ 29,710	$ 27,973
Cost of sales	4,742	3,502	9,189	6,999
Gross profit	10,370	10,656	20,521	20,974
Sales and marketing	4,916	4,747	9,889	9,641
General and administrative	2,867	2,495	5,715	5,109
Research and development	1,040	1,338	2,312	2,878
Restructuring charges	650		1,655
Impairment charges		68	83	68
Total operating expenses	9,473	8,648	19,654	17,696
Income from operations	897	2,008	867	3,278
Other income (expense):
Interest income	2	9	3	12
Foreign currency gain (loss)	5	(68)	144	(50)
Other income, net		14	8	22
Income before income taxes	904	1,963	1,022	3,262
Provision for income taxes	385	452	439	730
Net income	$ 519	$ 1,511	$ 583	$ 2,532
Net income per share of common stock:
Basic	$ 0.03	$ 0.10	$ 0.04	$ 0.16
Diluted	$ 0.03	$ 0.09	$ 0.04	$ 0.16
Weighted-average shares outstanding:
Basic	15,470	15,613	15,468	15,646
Diluted	16,071	16,050	16,064	16,045
Cash dividends declared per common share	$ 0.02		$ 0.04