Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
ASSETS
Cash and cash equivalents	$ 10,789	$ 8,347
Accounts receivable, net of allowance for doubtful accounts of $162 in 2011 and $187 in 2010	5,551	5,457
Inventories, net	6,659	5,632
Prepaid expenses and other current assets	464	389
Current assets held for sale	6,043	6,547
Total current assets	29,506	26,372
Property and equipment, net	325	336
Other intangible assets, net	745	821
Goodwill	533	473
Other long-term assets	199	206
Non-current assets held for sale	841	1,012
Total assets	32,149	29,220
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	1,580	1,514
Accrued compensation	1,180	1,389
Accrued expenses	1,920	1,438
Accrued warranty	556	607
Deferred revenue	1,014	1,002
Current liabilities held for sale	2,663	3,247
Total current liabilities	8,913	9,197
Long-term liabilities:
Other long-term liabilities	810	596
Total liabilities	9,723	9,793
Commitments and contingencies (Note 11)
Stockholders' equity:
Convertible preferred stock, $.01 par value: Authorized: 2,000,000 shares; Issued and outstanding: 500,000 shares in 2011 and 2010	5	5
Common stock, $.01 par value: Authorized: 30,000,000 shares; Issued and outstanding: 8,917,824 shares in 2011 and 8,986,418 shares in 2010	92	89
Additional paid-in capital	42,032	41,168
Accumulated other comprehensive loss	(35)	(205)
Treasury stock, at cost	(1,078)	(430)
Accumulated deficit	(18,590)	(21,200)
Total stockholders' equity	22,426	19,427
Total liabilities and stockholders' equity	$ 32,149	$ 29,220