Condensed Consolidated Balance Sheets (USD $) In Thousands	Jul. 03, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 40,045	$ 16,863
Short-term investments	0	2,151
Restricted cash	2,830	4,026
Accounts receivable, net of allowance for doubtful accounts of $988 as of July 3, 2011 and $681 as of December 31, 2010	17,056	24,127
Advance billings	4,060	3,177
Inventories	31,670	34,673
Prepaid expenses and other current assets	5,135	5,770
Total current assets	100,796	90,787
Property and equipment, net	12,666	15,011
Intangibles, net	875	1,000
Other assets	4,778	4,826
Total assets	119,115	111,624
Current liabilities:
Accounts payable	16,114	20,860
Accrued liabilities	19,056	13,452
Deferred revenue	6,697	5,349
Total current liabilities	41,867	39,661
Income taxes payable, non-current	4,130	4,287
Other liabilities	4,961	5,021
Total liabilities	50,958	48,969
Commitments and contingencies (Note 6)
Stockholders' equity:
Preferred stock, 2,000 shares authorized; none issued and outstanding	0	0
Common stock, par value $0.001, 120,000 shares authorized; 62,392 shares issued and 58,211 shares outstanding as of July 3, 2011; 54,440 shares issued and 50,259 shares outstanding as of December 31, 2010	62	54
Additional paid-in capital	649,120	634,944
Accumulated other comprehensive income	23,012	20,207
Treasury stock, 4,181 shares as of July 3, 2011 and December 31, 2010	(37,986)	(37,986)
Accumulated deficit	(566,051)	(554,564)
Total stockholders' equity	68,157	62,655
Total liabilities and stockholders' equity	$ 119,115	$ 111,624