Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 82,680	$ 124,021
Restricted cash	2,395	2,542
Accounts receivable, net	6,642	13,560
Inventories, net	21,070	32,114
Prepaid inventories, net	1,677	2,082
Prepaids and other assets	15,949	11,651
Total current assets	130,413	185,970
Fixed assets, net	27,645	27,800
Goodwill	2,784	2,784
Other long-term assets, net	1,964	1,405
Total assets	162,806	217,959
Current liabilities:
Accounts payable	38,838	67,311
Accrued liabilities	32,222	40,751
Deferred revenue	21,454	24,027
Convertible senior notes, net of debt discount - $44 and $141	24,461	34,484
Finance obligations, current	5,210	3,922
Capital lease obligations, current	270	729
Total current liabilities	122,455	171,224
Capital lease obligations, non-current	4	113
Finance obligations, non-current	14,030	12,219
Other long-term liabilities	3,223	3,175
Total liabilities	139,712	186,731
Commitments and contingencies (Note 5)
Redeemable common stock, $0.0001 par value: Outstanding - 8 and 46	109	570
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 - 26,230 and 25,877 Outstanding shares - 23,270 and 23,015	2	2
Additional paid-in capital	351,916	349,747
Accumulated deficit	(250,569)	(242,327)
Treasury stock: Shares at cost - 2,960 and 2,862	(78,364)	(76,764)
Total stockholders' equity	22,985	30,658
Total liabilities and stockholders' equity	$ 162,806	$ 217,959