Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended		47 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011
Cash flows from operating activities
Net loss	$ (34,343)	$ (25,640)	$ (100,667)
Adjustments to reconcile net loss to cash used in operating activities
Depreciation and amortization	1,085	685	3,623
Stock-based compensation	3,200	156	4,461
Non cash compensation from warrants issued on common stock			298
Beneficial conversion feature expense related to convertible promissory note		10,000	10,000
Derivative fair value adjustments	6,914	2,290	9,278
Accrued Interest			534
Amortization of debt discount and fees		119	300
Changes in other operating assets and liabilities
Prepaid expenses and other current assets	(1,185)	33	(1,089)
Accounts payable	(453)	(781)	425
Accrued liabilities	205	147	805
Net cash used in operating activities	(24,577)	(12,991)	(72,032)
Cash flows from investing activities
Purchases of property, plant and equipment	(50,738)	(8,021)	(85,253)
Purchases of intangible assets			(427)
Restricted cash			(100)
Net cash used in investing activities	(50,738)	(8,021)	(85,780)
Cash flows from financing activities
Proceeds from issuance of convertible promissory note to stockholder			15,000
Proceeds from equipment loans		1,000	6,000
Payments on equipment loans	(308)	(789)	(2,886)
Proceeds from business loans		7,000	7,000
Payments on business loans	(189)		(1,108)
Proceeds from stock option/warrant exercises	125	21	168
Proceeds from issuance of common stock in initial public offering, net of expenses	137,523		137,523
Borrowings under the Mississippi Development Authority loan	39,391		39,391
Net cash provided by financing activities	231,542	57,232	365,472
Effect of exchange rate on cash and cash equivalents		(57)	(83)
Net increase in cash and cash equivalents	156,227	36,163	207,577
Cash and cash equivalents
Beginning of period	51,350	5,176	0
End of period	207,577	41,339	207,577
Supplemental disclosure of noncash investing and financing activities:
Accrued purchase of property, plant and equipment	12,225	1,010
Convertible preferred stock warrants issued in connection with loan amendments	300	665
Conversion of convertible promissory note to stockholder into Series B convertible preferred stock		15,000
Conversion of Series A, A-1, B, and C convertible preferred stock into Class A and Class B common stock	134,384
Conversion of convertible preferred stock warrants into Class A and Class B common stock warrants	10,399
Series A Convertible Preferred Stock
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock			4,360
Series A-1 Convertible Preferred Stock
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock			10,024
Series B Convertible Preferred Stock
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock		50,000	95,000
Series C Convertible Preferred Stock
Cash flows from financing activities
Proceeds from issuance of convertible preferred stock	$ 55,000		$ 55,000