Condensed Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 30, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 37,112	$ 37,406
Accounts receivable, net of allowances for doubtful accounts of $0 and $0, respectively	3,327	3,261
Inventories	5,224	4,136
Other current assets	924	1,272
Total current assets	46,587	46,075
Property and equipment, net	2,568	2,840
Other assets	216	211
TOTAL ASSETS	49,371	49,126
Current liabilities:
Revolving line of credit	1,000	1,000
Trade payables	2,485	3,578
Accrued liabilities	2,644	3,519
Current portion of capital lease obligations	209	177
Total current liabilities	6,338	8,274
Long-term liabilities:
Capital lease obligations, less current portion	100	133
Other long-term liabilities	115	121
Total liabilities	6,553	8,528
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; 55,119 and 53,788 shares issued and outstanding, respectively	55	54
Additional paid-in capital	234,703	230,373
Accumulated deficit	(191,940)	(189,829)
Total stockholders' equity	42,818	40,598
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 49,371	$ 49,126