Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Statement - Condensed Consolidated Statements of Operations (Unaudited) [Line Items]
Total revenues	$ 9,210	$ 8,445	$ 18,149	$ 16,750
Cost of revenues	4,728	4,334	9,436	8,653
Gross profit	4,482	4,111	8,713	8,097
Operating expenses:
Research and development	884	1,106	1,880	2,288
Sales and marketing	1,846	2,122	3,471	3,986
General and administrative	1,237	1,233	2,423	2,409
Proceeds from demutualization of insurance carrier	0	0	(473)	0
Total operating expenses	3,967	4,461	7,301	8,683
Income (loss) from continuing operations	515	(350)	1,412	(586)
Legal settlement	0	800	0	800
Interest and other expense, net	97	48	115	75
Income from continuing operations before provision for income taxes	418	402	1,297	139
Provision for income taxes	3	5	8	7
Income from continuing operations	415	397	1,289	132
Loss from discontinued operations, net of tax	0	(61)	0	(223)
Gain on sale of discontinued operations, net of tax	0	0	0	2,032
Income (loss) from discontinued operations, net of tax	0	(61)	0	1,809
Net income	$ 415	$ 336	$ 1,289	$ 1,941
Basic
Continuing operations	$ 0.05	$ 0.04	$ 0.15	$ 0.01
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.21
Net income	$ 0.05	$ 0.04	$ 0.15	$ 0.22
Diluted
Continuing operations	$ 0.04	$ 0.04	$ 0.13	$ 0.01
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ 0.18
Net income	$ 0.04	$ 0.03	$ 0.13	$ 0.19
Weighted average shares used in computing net income per common share
Basic	8,824	8,983	8,668	8,958
Diluted	10,005	10,286	9,903	10,270