Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011
Operating activities:
Net income	$ 1,196		$ 1,824
Less income from discontinued operations	1,619		484
(Loss) income from continuing operations	(423)		1,340
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	310		187
Change in fair value of earn-out liability	195		55
Stock compensation cost recognized	277		325
Provision for doubtful accounts	(24)		(12)
Provision for inventory reserves	171		31
Changes in operating assets and liabilities:
Accounts receivable	79		(85)
Inventories	(1,054)		(995)
Prepaid expenses and other current assets	(653)		(25)
Other long-term assets	(20)		(7)
Accounts payable	(51)		251
Accrued compensation	807		(310)
Accrued expenses	(999)		(33)
Accrued warranty	(28)		25
Deferred revenue	(153)		(42)
Other long-term liabilities	21		20
Net cash (used in) provided by operating activities	(1,545)		725
Investing activities:
Acquisition of property and equipment	(310)		(140)
Cash paid in business combination	0		(75)
Payment on earn-out liability	(241)		0
Net cash used in investing activities	(551)		(215)
Financing activities:
Proceeds from stock option exercises	405		371
Repurchase of common stock	(578)		(521)
Net cash used in financing activities	(173)		(150)
Net cash provided by operating activities from discontinued operations	547		620
Net cash provided by investing activities from discontinued operations	4,632		0
Effect of foreign exchange rate changes from discontinued operations	35		0
Net cash provided by discontinued operations	5,214		620
Net increase in cash and cash equivalents	2,945		980
Cash and cash equivalents, beginning of period	10,789	[1]	8,347
Cash and cash equivalents, end of period	13,734		9,327
Cash paid during the period for:
Income taxes	2		32
Interest paid	$ 0		$ 0

[1] Derived from the audited consolidated financial statements included in the annual report filed on Form 10-K with the SEC for the year ended December 31, 2011.