Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jan. 01, 2012	Jan. 02, 2011
Current assets:
Cash and cash equivalents	$ 20,203	$ 21,956
Short-term investment in TowerJazz Semiconductor Ltd.	406	909
Accounts receivable, net of allowances for doubtful accounts of $10 and $16, respectively	1,585	4,143
Inventories	3,764	3,344
Other current assets	613	772
Total current assets	26,571	31,124
Property and equipment, net	2,181	2,312
Other assets	211	192
TOTAL ASSETS	28,963	33,628
Current liabilities:
Trade payables	2,464	2,152
Accrued liabilities	1,118	1,303
Deferred royalty revenue	8	328
Current portion of debt and capital lease obligations	141	408
Total current liabilities	3,731	4,191
Long-term liabilities:
Capital lease obligations, less current portion	146	0
Other long-term liabilities	148	124
Total liabilities	4,025	4,315
Commitments and contingencies (see Notes 15 and 16)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value; 100,000 shares authorized; 38,636 and 37,806 shares issued and outstanding, respectively	39	38
Additional paid-in capital	190,025	186,304
Accumulated other comprehensive income	113	616
Accumulated deficit	(165,239)	(157,645)
Total stockholders' equity	24,938	29,313
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 28,963	$ 33,628