Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Revenues:
Product revenues	$ 8,836	$ 8,740	$ 26,791	$ 25,093
Service revenues	1,957	2,078	6,012	6,373
Total revenues	10,793	10,818	32,803	31,466
Cost of revenues	5,892	5,569	17,787	16,456
Gross profit	4,901	5,249	15,016	15,010
Operating expenses:
Research and development	894	920	2,768	2,913
Sales and marketing	2,222	2,319	7,058	6,984
General and administrative	1,269	1,125	3,627	3,490
Total operating expenses	4,385	4,364	13,453	13,387
Income from operations	516	885	1,563	1,623
Legal settlement	0	0	800	800
Interest and other income (expense), net	(131)	63	(232)	(49)
Income before income taxes	385	948	2,131	2,374
Provision for income taxes	36	38	307	165
Net income	$ 349	$ 910	$ 1,824	$ 2,209
Net income per share-basic	$ 0.04	$ 0.10	$ 0.20	$ 0.25
Net income per share-diluted	$ 0.03	$ 0.09	$ 0.18	$ 0.22
Shares used in computing net income per share-basic	8,965	8,974	8,963	8,930
Shares used in computing net income per share-diluted	10,253	10,148	10,233	10,112