Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Operating activities:
Net income	$ 2,610	$ 3,046	$ 2,585
Less income from discontinued operations	469	1,393	1,043
Income from continuing operations, net of tax	2,141	1,653	1,542
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	410	297	440
Change in fair value of earn-out liability	280	0	0
Stock compensation cost recognized	478	488	271
Tax effect of stock compensation expense	2	1	84
Provision for doubtful accounts	(12)	0	84
Provision for inventory reserves	(46)	3	(92)
Changes in operating assets and liabilities, net of assets and liabilities acquired:
Accounts receivable	(82)	(30)	483
Inventories	(981)	(1,525)	165
Prepaid expenses and other current assets	(75)	(30)	(97)
Other long term assets	7	104	(81)
Accounts payable	66	7	(383)
Accrued compensation	(209)	59	69
Accrued expenses	285	49	350
Accrued warranty	(51)	40	13
Deferred revenue	12	(47)	12
Deferred rent	26	67	149
Net cash provided by operating activities	2,251	1,136	3,009
Investing activities:
Acquisition of property and equipment	(203)	(193)	(190)
Cash paid in business combination	(75)	(225)	0
Net cash used in investing activities	(278)	(418)	(190)
Cash flows from financing activities:
Proceeds from stock option exercises	321	88	5
Repurchase of common stock	(648)	0	0
Proceeds from borrowings	0	3,938	28,346
Repayment of borrowings	0	(6,297)	(30,007)
Net cash used in financing activities	(327)	(2,271)	(1,656)
Net cash provided by operating activities from discontinued operations	797	2,688	3,606
Net cash used in investing activities from discontinued operations	0	0	(42)
Net cash used in financing activities from discontinued operations	0	(1,161)	(819)
Effect of foreign exchange rate changes from discontinued operations	(1)	7	(20)
Net cash provided by discontinued operations	796	1,534	2,725
Net increase (decrease) in cash and cash equivalents	2,442	(19)	3,888
Cash and cash equivalents, beginning of year	8,347	8,366	4,478
Cash and cash equivalents, end of year	10,789	8,347	8,366
Supplemental disclosure of cash flow information:
Income taxes	522	439	160
Interest paid	1	57	242
Supplemental disclosure of non-cash activities:
Share issued at acquisition	0	444	0
Contingent consideration - cash	105	380	0
Contingent consideration - shares	$ 0	$ 264	$ 0