CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011	Jul. 02, 2010
Net sales	$ 16,269	$ 13,639	$ 31,118	$ 27,417
Cost of sales	5,408	4,960	10,628	9,909
Gross profit	10,861	8,679	20,490	17,508
General and administrative	4,098	3,268	7,628	6,657
Marketing and selling	4,200	4,134	8,659	7,965
Research and development	1,393	1,376	2,825	2,909
Other general and administrative expenses		700		700
Operating income (loss)	1,170	(799)	1,378	(723)
Other income (expense):
Interest income	5	13	18	14
Interest expense	(153)	(224)	(306)	(630)
Gain (loss) on foreign currency transactions	72	(389)	444	(439)
Loss on early extinguishment of note payable		(267)		(267)
Other income (expense), net	236	(53)	399	(12)
Other income (expense), net	160	(920)	555	(1,334)
Income (loss) before provision (benefit) for income taxes	1,330	(1,719)	1,933	(2,057)
Provision (benefit) for income taxes	469	(91)	772	207
Income (loss) from continuing operations	861	(1,628)	1,161	(2,264)
Income from discontinued operations, net of income taxes				4,166
Net income (loss)	$ 861	$ (1,628)	$ 1,161	$ 1,902
Net income (loss) per share from continuing operations - basic	$ 0.02	$ (0.05)	$ 0.03	$ (0.07)
Net income (loss) per share from continuing operations -diluted	$ 0.02	$ (0.05)	$ 0.03	$ (0.07)
Income per share from discontinued operations - basic and diluted				$ 0.12
Net income (loss) per share - basic	$ 0.02	$ (0.05)	$ 0.03	$ 0.05
Net income (loss) per share - diluted	$ 0.02	$ (0.05)	$ 0.03	$ 0.05
Weighted average shares outstanding - basic	35,443	34,790	35,316	34,770
Weighted average shares outstanding - diluted	36,439	34,790	36,389	34,770