Condensed Unaudited Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 28, 2015	Dec. 28, 2014
Current assets:
Cash and cash equivalents	$ 26,415	$ 30,050
Accounts receivable, net of allowances for doubtful accounts of $0 in both periods	1,597	1,552
Inventories	3,001	4,952
Other current assets	873	1,146
Total current assets	31,886	37,700
Property and equipment, net	2,689	3,217
Other assets	229	222
TOTAL ASSETS	34,804	41,139
Current liabilities:
Line of Credit, Current	1,000	0
Trade payables	2,152	2,506
Accrued liabilities	2,069	1,574
Deferred revenue	114	0
Current portion of capital lease obligations	202	225
Total current liabilities	5,537	4,305
Long-term liabilities:
Revolving line of credit	0	1,000
Capital lease obligations, less current portion	56	191
Other long-term liabilities	155	76
Total liabilities	$ 5,748	$ 5,572
Commitments and contingencies (see Note 13)
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; 56,580 and 56,182 shares issued and outstanding, respectively	56	56
Additional paid-in capital	239,824	238,419
Accumulated deficit	(210,824)	(202,908)
Total stockholders' equity	29,056	35,567
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 34,804	$ 41,139