CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 02, 2015	Oct. 03, 2014	Oct. 02, 2015	Oct. 03, 2014
Net sales	$ 18,750	$ 18,188	$ 56,264	$ 58,414
Cost of sales	5,951	6,319	18,206	18,995
Gross profit	12,799	11,869	38,058	39,419
General and administrative	4,853	3,259	14,748	14,064
Marketing and selling	6,284	7,026	17,784	20,189
Research and development	3,684	3,137	10,800	9,118
Other general and administrative expenses	0	0	0	334
Operating loss	(2,022)	(1,553)	(5,274)	(4,286)
Other income (expense):
Interest income	1	7	50	26
Interest expense	(29)	(35)	(97)	(102)
Gain (loss) on foreign currency transactions	20	(628)	(692)	(696)
Other income, net	267	51	437	338
Other income (expense), net	259	(605)	(302)	(434)
Loss before provision for income taxes	(1,763)	(2,158)	(5,576)	(4,720)
Provision (benefit) for income taxes	(11)	548	114	1,134
Net loss	$ (1,752)	$ (2,706)	$ (5,690)	$ (5,854)
Net loss per share - basic and diluted (in dollars per share)	$ (0.04)	$ (0.07)	$ (0.14)	$ (0.15)
Weighted average shares outstanding - basic and diluted (in shares)	39,727	38,369	39,409	38,044