Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Operating activities:
Net income	$ 874		$ 1,605
Less income from discontinued operations	0		1,870
Income (loss) from continuing operations	874		(265)
Adjustments to reconcile net income (loss) from continuing operations to net cash used in operating activities:
Depreciation and amortization	126		113
Change in fair value of earn-out liability	19		29
Stock compensation cost recognized	161		147
Provision for doubtful accounts	54		(24)
Changes in operating assets and liabilities, net of assets and liabilities acquired:
Accounts receivable	(605)		433
Inventories	(112)		(379)
Prepaid expenses and other current assets	6		(708)
Other long-term assets	(11)		16
Accounts payable	(825)		(36)
Accrued compensation	(121)		307
Accrued expenses	108		(751)
Accrued warranty	(7)		(17)
Deferred revenue	(61)		(107)
Other long-term liabilities	(12)		0
Net cash used in operating activities	(406)		(1,242)
Investing activities:
Acquisition of property and equipment	(18)		(121)
Payment on earn-out liability	(83)		(86)
Net cash used in investing activities	(101)		(207)
Cash flows from financing activities:
Proceeds from stock option exercises	273		236
Repurchase of common stock	(46)		(188)
Payment of legal costs in connection with tender offer	(40)		0
Net cash provided by financing activities	187		48
Net cash used in operating activities from discontinued operations	0		(199)
Net cash provided by investing activities from discontinued operations	0		4,632
Effect of foreign exchange rate changes from discontinued operations	0		35
Net cash provided by discontinued operations	0		4,468
Net (decrease) increase in cash and cash equivalents	(320)		3,067
Cash and cash equivalents, beginning of period	11,901	[1]	10,789
Cash and cash equivalents, end of period	11,581		13,856
Cash paid during the year for:
Income taxes	$ 10		$ 13

[1] Derived from the consolidated audited financial statements included in our Annual Report filed on Form 10-K with the SEC for the year ended December 29, 2012.