Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 198,648	$ 44,791
Short-term investments	41,698	20,070
Accounts receivable, net	2,050	909
Inventories, net	8,279	3,140
Prepaid expenses and other current assets	3,896	2,415
Total current assets	254,571	71,325
Deferred income taxes, net		4,200
Property and equipment, net	706	809
Deferred financing costs, net	4,299
Other assets (including restricted cash)	1,280	1,284
Total assets	260,856	77,618
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	8,112	1,601
Deferred revenues	252	428
Deferred income taxes	12,014
Accrued interest on convertible notes	4,400
Other current liabilities	15,414	16,023
Total current liabilities	40,192	18,052
Convertible notes, net of discount of $56,677	173,323
Other liabilities	3,404	10,299
Commitments and contingencies
Stockholders' Equity:
Preferred stock-$.01 par value 4,000,000 shares authorized; no shares issued
Common stock-$.01 par value 150,000,000 shares authorized; 71,349,000 issued and outstanding at June 30, 2011 and 70,259,000 shares issued and outstanding at December 31, 2010	713	703
Additional paid-in-capital	402,579	364,139
Accumulated deficit	(359,355)	(315,576)
Accumulated other comprehensive income		1
Total stockholders' equity	43,937	49,267
Total liabilities and stockholders' equity	$ 260,856	$ 77,618