Unaudited Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Feb. 01, 2014
Current assets
Cash and cash equivalents	$ 81,296	$ 64,326
Short-term marketable securities	8,752	7,791
Restricted cash	1,500	1,775
Accounts receivable, net of allowances of $669 as of November 1, 2014 and $300 as of February 1, 2014	25,966	27,647
Inventory	20,109	20,403
Deferred tax assets	7,206	4,144
Prepaid expenses and other current assets	6,064	8,069
Total current assets	150,893	134,155
Long-term marketable securities	4,265	15,505
Software, equipment and leasehold improvements, net	22,318	27,089
Intangible assets, net	24,743	29,780
Deferred tax assets, net of current portion	313	439
Long-term investments and notes receivable, net of current portion	3,267	3,873
Other non-current assets	4,740	4,934
Total assets	210,539	215,775
Current liabilities
Accounts payable	21,691	16,184
Accrued compensation and related benefits	7,424	6,288
Accrued liabilities	22,751	19,813
Total current liabilities	51,866	42,285
Income taxes payable	6,438	7,065
Long-term deferred tax liabilities	678	976
Other long-term liabilities	6,198	7,058
Total liabilities	65,180	57,384
Commitments and contingencies (Note 10)
Shareholders' equity
Preferred stock; no par value, authorized 2,000,000 shares, none issued and outstanding	0	0
Common stock and additional paid-in capital; no par value; 100,000,000 shares authorized; 39,591,649 issued and 34,932,506 outstanding as of November 1, 2014 and 39,083,961 issued and 34,424,818 outstanding as of February 1, 2014	491,072	485,188
Treasury stock, at cost, 4,659,143 shares as of November 1, 2014 and February 1, 2014	(88,198)	(88,198)
Accumulated other comprehensive (loss) income	(174)	651
Accumulated deficit	(257,341)	(239,250)
Total shareholders' equity	145,359	158,391
Total liabilities and shareholders' equity	$ 210,539	$ 215,775