Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 72,105	$ 96,985
Restricted cash	2,053	2,036
Accounts receivable, net	11,941	13,501
Inventories, net	16,645	22,993
Prepaid inventories, net	1,910	1,027
Prepaids and other assets	9,140	12,651
Total current assets	113,794	149,193
Fixed assets, net	23,345	25,322
Goodwill	2,784	2,784
Other long-term assets, net	1,792	2,260
Total assets	141,715	179,559
Current liabilities:
Accounts payable	42,804	70,332
Accrued liabilities	36,127	47,902
Deferred revenue	26,814	27,978
Line of credit	17,000	17,000
Capital lease obligations, current	33	110
Total current liabilities	122,778	163,322
Capital lease obligations, non-current	2	2
Other long-term liabilities	2,630	2,998
Total liabilities	125,410	166,322
Commitments and contingencies (Note 5)
Stockholders' equity:
Preferred stock, $0.0001 par value: Authorized shares - 5,000 Issued and outstanding shares - none
Common stock, $0.0001 par value Authorized shares - 100,000 Issued shares - 26,450 and 26,241 Outstanding shares - 23,420 and 23,279	2	2
Additional paid-in capital	354,181	353,368
Accumulated deficit	(259,046)	(261,765)
Treasury stock: Shares at cost - 3,030 and 2,962	(78,832)	(78,368)
Total stockholders' equity	16,305	13,237
Total liabilities and stockholders' equity	$ 141,715	$ 179,559