v2.4.0.6
CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2011
Dec. 31, 2010
Current assets:    
Cash and cash equivalents $ 28,312 $ 37,216
Available-for-sale securities 93,304 101,970
Inventories 3,107 3,225
Prepaid expenses and other assets 1,198 1,648
Current assets of discontinued operations   6
Total current assets 125,921 144,065
Property and equipment, net 280 221
Total assets 126,201 144,286
Current liabilities:    
Accounts payable 6,224 2,395
Accrued research and clinical expenses 1,920 2,625
Accrued employee compensation and benefits 2,705 2,820
Accrued and other liabilities 657 932
Current liabilities of discontinued operations 2,662 3,512
Total current liabilities 14,168 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; 81,971 and 81,568 shares issued and outstanding at June 30, 2011 and December 31, 2010, respectively 82 82
Additional paid-in capital 438,077 432,041
Accumulated other comprehensive income 49 4
Accumulated deficit (326,175) (300,125)
Total stockholders' equity 112,033 132,002
Total liabilities and stockholders' equity $ 126,201 $ 144,286