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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Current Assets:    
Cash and cash equivalents $ 245,822 $ 116,602
Deferred tax asset 533 533
Other current assets 4,968 1,837
Total current assets 251,323 118,972
Property, plant and equipment, net 492 432
Deferred tax asset 7,368 4,734
Other long term assets 1,657 2,241
TOTAL ASSETS 260,840 126,379
Current Liabilities:    
Accounts payable 4,568 4,419
Accrued expenses and other liabilities 5,016 4,033
Total current liabilities 9,584 8,452
Long-Term Liabilities:    
Warrant derivative liability 191,387 123,125
Long term debt and other long-term liabilities 124,283 764
Total liabilities 325,254 132,341
Commitments and contingencies (Note 5)      
Stockholders' Deficit:    
Common stock, £0.50 par, unlimited authorized; 136,427,695 issued, 136,407,616 outstanding at March 31, 2012; 135,832,542 issued, 135,812,463 outstanding at December 31, 2011 113,790 113,321
Additional paid-in capital 478,757 449,393
Treasury stock; 20,079 shares at March 31, 2012 and December 31, 2011 (217) (217)
Accumulated deficit (656,744) (568,459)
Total stockholders' deficit (64,414) (5,962)
TOTAL LIABILITIES AND STOCKHOLDERS' DEFICIT $ 260,840 $ 126,379