Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012
Current assets:
Cash and cash equivalents	$ 11,581	$ 11,901	[1]
Accounts receivable, net of allowance for doubtful accounts of $200 at March 30, 2013 and $146 at December 29, 2012	6,031	5,480	[1]
Inventories	8,147	8,035	[1]
Prepaid expenses and other current assets	1,123	1,129	[1]
Current assets of discontinued operations	510	510	[1]
Total current assets	27,392	27,055	[1]
Property and equipment, net	440	483	[1]
Other intangible assets, net	489	554	[1]
Goodwill	533	533	[1]
Other long-term assets	298	287	[1]
Total assets	29,152	28,912	[1]
Current liabilities:
Accounts payable	1,280	2,105	[1]
Accrued compensation	1,442	1,563	[1]
Accrued expenses	1,372	1,242	[1]
Accrued warranty	446	453	[1]
Deferred revenue	943	1,004	[1]
Total current liabilities	5,483	6,367	[1]
Long-term liabilities:
Other long-term liabilities	542	640	[1]
Total liabilities	6,025	7,007	[1]
Stockholders' equity:
Convertible preferred stock, $.01 par value: Authorized: 2,000,000 shares; Issued and outstanding: 500,000 shares at March 30, 2013 and at December 29, 2012 Liquidation preference of $5,000	5	5	[1]
Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding: 8,558,006 and 8,452,971 shares at March 30, 2013 and December 29, 2012, respectively	95	94	[1]
Additional paid-in capital	39,305	38,958	[1]
Accumulated deficit	(16,278)	(17,152)	[1]
Total stockholders' equity	23,127	21,905	[1]
Total liabilities and stockholders' equity	$ 29,152	$ 28,912	[1]

[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.