Condensed Consolidated Balance Sheets (USD $) In Thousands	Jul. 02, 2011	Jan. 01, 2011
Current assets:
Cash and cash equivalents	$ 91,685	$ 66,460
Accounts receivable, net of allowances of $162 as of July 2, 2011 and $63 as of January 1, 2011	43,546	44,523
Inventories	45,708	43,168
Inventories - delivered systems	2,435	1,466
Prepaid expenses and other	6,367	2,986
Deferred income tax assets	9,912	9,644
Total current assets	199,653	168,247
Property, plant and equipment, net	37,349	35,186
Intangible assets, net	5,165	5,972
Deferred income tax assets, non-current	7,662	9,256
Other assets	1,139	1,235
Total assets	250,968	219,896
Current liabilities:
Accounts payable	14,542	11,486
Accrued payroll and related expenses	7,680	8,813
Deferred revenue	4,767	4,063
Other current liabilities	7,529	7,293
Income taxes payable	0	250
Current portion of debt obligations	603	572
Total current liabilities	35,121	32,477
Deferred revenue, non-current	5,097	3,191
Other non-current liabilities	5,248	3,912
Debt obligations, net of current portion	9,151	9,467
Total liabilities	54,617	49,047
Commitments and contingencies (Note 15)
Stockholders’ equity:
Preferred stock, $0.001 par value; 3,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value, 47,000 shares authorized; 22,701 as of July 2, 2011 and 22,315 as of January 1, 2011, issued and outstanding	23	22
Additional paid-in capital	228,286	225,755
Accumulated deficit	(35,403)	(57,000)
Accumulated other comprehensive income	3,445	2,072
Total stockholders’ equity	196,351	170,849
Total liabilities and stockholders’ equity	$ 250,968	$ 219,896