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Condensed Consolidated Balance Sheets (USD $)
In Thousands
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 20,614 $ 29,495
Inventory 147 174
Prepaid expenses and other current assets 1,688 1,382
Total current assets 22,449 31,051
Property, plant and equipment (net) 246 408
Total assets 22,695 31,459
Current liabilities:    
Accounts payable 1,104 1,723
Accrued liabilities and other current liabilities 4,459 4,132
Warrant liability 477 680
Total current liabilities 6,040 6,535
Total liabilities 6,040 6,535
Stockholders' equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized at December 31, 2010 and June 30, 2011; 1,213,142 shares issued and outstanding at December 31, 2010 and June 30, 2011. Aggregate preference in liquidation (including undeclared cumulative dividends) of $13,344,562 at December 31, 2010 and June 30, 2011 1 1
Common stock, $0.001 par value; 100,000,000 shares authorized at December 31, 2010 and June 30, 2011; 46,564,914 and 46,587,182 shares issued and outstanding at December 31, 2010 and June 30, 2011 respectively 47 47
Additional paid-in capital 266,529 266,666
Accumulated other comprehensive loss 39 31
Deficit accumulated during the development stage (249,961) (241,821)
Total stockholders' equity 16,655 24,924
Total liabilities and stockholders' equity $ 22,695 $ 31,459