Quarterly report pursuant to Section 13 or 15(d)

CONDENSED BALANCE SHEETS

v2.4.0.6
CONDENSED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 22,033 $ 18,633
Available-for-sale securities 201,267 229,007
Prepaid expenses and other current assets 2,775 2,593
Total current assets 226,075 250,233
Property and equipment, net 5,904 4,882
Other assets 1,932 1,991
Total assets 233,911 257,106
Current liabilities:    
Accounts payable 1,922 1,556
Accrued compensation 3,085 7,271
Other accrued liabilities 2,770 2,571
Deferred rent 262 129
Total current liabilities 8,039 11,527
Long-term portion of deferred rent 9,180 9,313
Other long-term liabilities 112 117
Commitments and contingencies      
Stockholders' equity:    
Preferred stock, $0.001 par value; 10,000,000 shares authorized; none issued and outstanding as of March 31, 2012 and December 31, 2011      
Common stock, $0.001 par value; 100,000,000 shares authorized; 71,451,245 and 71,379,052 shares issued and outstanding as of March 31, 2012 and December 31, 2011, respectively 71 71
Additional paid-in capital 901,065 897,479
Accumulated other comprehensive income 25 6
Accumulated deficit (684,581) (661,407)
Total stockholders' equity 216,580 236,149
Total liabilities and stockholders' equity $ 233,911 $ 257,106