Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014	Feb. 02, 2013
Current assets
Cash and cash equivalents	$ 64,326	$ 51,218
Short-term marketable securities	7,791	17,455
Restricted cash	1,775	1,769
Accounts receivable, net of allowances of $300 as of February 1, 2014 and $295 as of February 2, 2013	27,647	21,648
Inventory	20,403	24,929
Deferred tax assets	4,144	5,868
Prepaid expenses and other current assets	8,069	13,578
Total current assets	134,155	136,465
Long-term marketable securities	15,505	14,253
Software, equipment and leasehold improvements, net	27,089	17,106
Intangible assets, net	29,780	36,573
Deferred tax assets, net of current portion	439	2,681
Long-term investments and notes receivable, net of current portion	3,873	8,943
Other non-current assets	4,934	4,810
Total assets	215,775	220,831
Current liabilities
Accounts payable	16,184	11,046
Accrued compensation and related benefits	6,288	10,070
Accrued liabilities	19,813	18,721
Total current liabilities	42,285	39,837
Income taxes payable	7,065	17,723
Long-term deferred tax liabilities	976	804
Other long-term liabilities	7,058	449
Total liabilities	57,384	58,813
Commitments and contingencies (Note 16)
Shareholders' equity
Preferred stock; no par value, 2,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock and additional paid-in capital; no par value; 100,000,000 shares authorized; 39,083,961 issued and 34,424,818 outstanding as of February 1, 2014 and 38,234,357 issued and 34,042,045 outstanding as of February 2, 2013	485,188	475,070
Treasury stock, at cost, 4,659,143 shares as of February 1, 2014 and 4,192,312 as of February 2, 2013	(88,198)	(85,941)
Accumulated other comprehensive income	651	1,090
Accumulated deficit	(239,250)	(228,201)
Total shareholders' equity	158,391	162,018
Total liabilities and shareholders' equity	$ 215,775	$ 220,831