Condensed Unaudited Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 29, 2013
Current assets:
Cash and cash equivalents	$ 31,159	$ 37,406
Accounts receivable, net of allowances for doubtful accounts of $0 in both periods	1,747	3,261
Inventories	6,878	4,136
Other current assets	964	1,272
Total current assets	40,748	46,075
Property and equipment, net	2,889	2,840
Other assets	228	211
TOTAL ASSETS	43,865	49,126
Current liabilities:
Revolving line of credit	0	1,000
Trade payables	1,724	3,578
Accrued liabilities	1,839	3,519
Current portion of capital lease obligations	223	177
Total current liabilities	3,786	8,274
Long-term liabilities:
Revolving line of credit	1,000	0
Capital lease obligations, less current portion	225	133
Other long-term liabilities	64	121
Total liabilities	5,075	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; 55,859 and 53,788 shares issued and outstanding, respectively	56	54
Additional paid-in capital	237,500	230,373
Accumulated deficit	(198,766)	(189,829)
Total stockholders' equity	38,790	40,598
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 43,865	$ 49,126