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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 17,837 $ 24,449
Prepaid expenses and other current assets 1,235 1,069
Current assets of discontinued operations 881 313
Total current assets 19,953 25,831
Property, plant and equipment (net) 140 167
Long-term assets of discontinued operations 433  
Total assets 20,526 25,998
Current liabilities:    
Accounts payable 1,642 1,717
Accrued liabilities and other current liabilities 4,127 4,183
Economic rights 1,070 71
Other liabilities measured at fair value 20 71
Current liabilities of discontinued operations 438 527
Total current liabilities 7,297 6,498
Total liabilities 7,297 6,498
Stockholders' equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized at December 31, 2011 and September 30, 2012; 1,213,142 shares issued and outstanding at December 31, 2011 and September 30, 2012. Aggregate preference in liquidation of $13,708,505 and $14,254,419 at December 31, 2011 and September 30, 2012, respectively 1 1
Common stock, $0.001 par value; 100,000,000 shares authorized at December 31, 2011 and September 30, 2012; 7,745,779 and 8,434,292 shares issued and outstanding at December 31, 2011 and September 30, 2012, respectively 8 8
Additional paid-in capital 278,655 276,498
Accumulated other comprehensive loss 51 57
Deficit accumulated during the development stage (265,486) (257,064)
Total stockholders' equity 13,229 19,500
Total liabilities and stockholders' equity $ 20,526 $ 25,998