Consolidated Statements Of Cash Flows (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (71,171)	$ (72,658)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	294	321
Accretion of discount on convertible notes	4,109
Change in valuation of warrant liability		32,224
Warrant liability transferred to APIC upon exercise of warrant		2,682
Amortization of deferred compensation related to restricted stock (including restricted stock awards that contain performance conditions)	2,440	3,818
Amortization of deferred financing costs	449
Stock compensation expense	3,211	2,680
Recoverable income taxes		2,006
Unrecognized tax benefit liability	(6,853)	196
Deferred income taxes	(13,955)
Accrued interest on convertible notes	1,912
Changes in:
Accounts receivable, net	(2,800)	(246)
Inventories, net	(4,864)	91
Prepaid expenses and other current assets	(2,185)	(467)
Accounts payable	5,346	(3,283)
Other current liabilities	(1,162)	(3,581)
Deferred revenues	(93)	286
Net cash used in operating activities	(85,322)	(35,931)
Cash flows from investing activities:
Reclassification to cash and cash equivalents		5,095
Purchases of held-to-maturity securities (investments-short-term)	(27,865)	(19,859)
Capital expenditures	(165)	(22)
Changes in other long-term assets	4	8
Net cash used in investing activities	(28,026)	(14,778)
Cash flows from financing activities:
Proceeds from issuance of common stock	667	2,069
Stock repurchase and cancellation		(1,282)
Proceeds from issuance of convertible notes, net of expenses	222,697
Proceeds from the issuance of common stock from the exercise of warrants		5,100
Changes in other long-term liabilities	(34)	(43)
Net cash provided by financing activities	223,330	5,844
Net increase (decrease) in cash and cash equivalents	109,982	(44,865)
Cash and cash equivalents at beginning of period	44,791	108,172
Cash and cash equivalents at end of period	154,773	63,307
Other information:
Income tax paid
Interest paid	$ 5,393	$ 73