CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 25,671	$ 201,937
Restricted cash	699	692
Available-for-sale securities-short-term portion	9,366	7,937
Accounts receivable, net	53,893	44,021
Inventories, net-short term portion	72,691	42,851
Deferred tax assets-short-term portion	359	364
Property and equipment, net-held for sale	0	9,000
Prepaid expenses and other current assets	10,126	7,785
Total current assets	172,805	314,587
Available-for-sale securities-long-term portion	0	54,501
Property and equipment, net	28,663	30,583
Inventory, Net-Long-Term Portion	11,772	0
Goodwill	159,736	0
Intangible assets, net	152,718	29,525
Deferred tax assets-long-term portion	3,394	450
Other long-term assets	15,206	8,369
Total assets	544,294	438,015
Current liabilities:
Accounts payable and accrued liabilities	50,355	44,774
Convertible notes-short-term portion	3,855	0
Term loan-short-term portion	12,713	0
Deferred revenue-short-term portion	8,498	9,852
Total current liabilities	75,421	54,626
Deferred revenue-long-term portion	3,450	3,959
Other long-term liabilities	22,689	9,127
Convertible notes	105,000	95,469
Term loan-long-term portion	60,563	0
Stockholders' equity:
Convertible redeemable preferred stock, $0.01 par value; 5,000 shares authorized; no shares issued and outstanding at December 31, 2012 and 2011	0	0
Common stock, $0.01 par value; 200,000 shares authorized; 71,030 and 70,454 shares issued and outstanding at December 31, 2012 and 2011, respectively	710	704
Additional paid-in capital	759,549	750,332
Accumulated other comprehensive income	6,302	2,492
Accumulated deficit	(489,390)	(478,694)
Total stockholders' equity	277,171	274,834
Total liabilities and stockholders' equity	$ 544,294	$ 438,015