Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 29, 2013	Dec. 30, 2012
Current assets:
Cash and cash equivalents	$ 37,406	$ 22,578
Short-term investment in TowerJazz Semiconductor Ltd.	0	345
Accounts receivable, net of allowances for doubtful accounts of $0 and $20, respectively	3,261	1,242
Inventories	4,136	3,028
Other current assets	1,272	986
Total current assets	46,075	28,179
Property and equipment, net	2,840	2,659
Other assets	211	186
TOTAL ASSETS	49,126	31,024
Current liabilities:
Revolving line of credit	1,000	0
Trade payables	3,578	1,965
Accrued liabilities	3,519	1,214
Current portion of capital software lease obligations	177	160
Total current liabilities	8,274	3,339
Long-term liabilities:
Capital software lease obligations, less current portion	133	266
Other long-term liabilities	121	141
Total liabilities	8,528	3,746
Commitments and contingencies (see Note 15)
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; 53,788 and 44,506 shares issued and outstanding, respectively	54	45
Additional paid-in capital	230,373	204,797
Accumulated other comprehensive income (loss)		(11)
Accumulated deficit	(189,829)	(177,553)
Total stockholders' equity	40,598	27,278
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 49,126	$ 31,024