Condensed Consolidated Balance Sheets (unaudited) (USD $) In Thousands, unless otherwise specified	Apr. 01, 2012	Jan. 01, 2012
Current assets:
Cash and cash equivalents	$ 17,223	$ 20,203
Short-term investment in TowerJazz Semiconductor Ltd.	567	406
Accounts receivable, net of allowances for doubtful accounts of $20 and $10 , respectively	1,660	1,585
Inventories	3,117	3,764
Other current assets	1,049	613
Total current assets	23,616	26,571
Property and equipment, net	2,812	2,181
Other assets	231	211
TOTAL ASSETS	26,659	28,963
Current liabilities:
Trade payables	2,411	2,464
Accrued liabilities	1,417	1,118
Deferred royalty revenue	0	8
Current portion of debt and capital lease obligations	411	141
Total current liabilities	4,239	3,731
Long-term liabilities:
Capital lease obligations, less current portion	506	146
Other long-term liabilities	139	148
Total liabilities	4,884	4,025
Commitments and contingencies (see Note 12)
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; 38,662 and 38,636 shares issued and outstanding, respectively	39	39
Additional paid-in capital	190,485	190,025
Accumulated other comprehensive income	211	113
Accumulated deficit	(168,960)	(165,239)
Total stockholders' equity	21,775	24,938
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 26,659	$ 28,963