v2.4.0.6
CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 71,479 $ 37,216
Available-for-sale securities 83,776 101,970
Inventories 3,107 3,225
Prepaid expenses and other assets 1,045 1,648
Current assets of discontinued operations   6
Total current assets 159,407 144,065
Property and equipment, net 321 221
Total assets 159,728 144,286
Current liabilities:    
Accounts payable 1,835 2,395
Accrued research and clinical expenses 1,090 2,625
Accrued employee compensation and benefits 3,225 2,820
Accrued and other liabilities 759 932
Current liabilities of discontinued operations 2,344 3,512
Total current liabilities 9,253 12,284
Commitments and contingencies      
Stockholders' equity:    
Preferred stock; $1.00 par value; 5,000 shares authorized; no shares issued and outstanding      
Common stock; $.001 par value; 200,000 shares authorized; 88,882 and 81,568 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively 89 82
Additional paid-in capital 485,169 432,041
Accumulated other comprehensive income 19 4
Accumulated deficit (334,802) (300,125)
Total stockholders' equity 150,475 132,002
Total liabilities and stockholders' equity $ 159,728 $ 144,286