Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data	3 Months Ended	6 Months Ended
Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Revenues:
Product revenues	$ 8,884	$ 7,805	$ 17,955	$ 16,353
Service revenues	1,914	2,085	4,055	4,295
Total revenues	10,798	9,890	22,010	20,648
Cost of revenues	5,921	5,354	11,895	10,887
Gross profit	4,877	4,536	10,115	9,761
Operating expenses:
Research and development	910	966	1,874	1,993
Sales and marketing	2,379	2,327	4,836	4,665
General and administrative	1,153	1,108	2,358	2,365
Total operating expenses	4,442	4,401	9,068	9,023
Income from operations	435	135	1,047	738
Legal settlement	800	800	800	800
Interest and other income (expense), net	(153)	(50)	(101)	(112)
Income before income taxes	1,082	885	1,746	1,426
Provision for income taxes	173	71	271	127
Net income	$ 909	$ 814	$ 1,475	$ 1,299
Net income per share - basic	$ 0.10	$ 0.09	$ 0.16	$ 0.15
Net income per share - diluted	$ 0.09	$ 0.08	$ 0.14	$ 0.13
Shares used in computing net income per share - basic	8,961	8,965	8,962	8,907
Shares used in computing net income per share - diluted	10,231	10,197	10,223	10,094

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