XML 22 R2.htm IDEA: XBRL DOCUMENT v3.2.0.727
CONDENSED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 15,798 $ 42,796
Restricted cash 266 266
Marketable securities 122,214 108,645
Interest and other receivables 1,505 963
Prepaid assets 415 736
Total current assets 140,198 153,406
Noncurrent marketable securities 18,734 18,932
Property and equipment, net 151 173
Total assets 159,083 172,511
Current liabilities:    
Accounts payable 957 1,033
Accrued compensation and benefits 1,731 4,213
Accrued collaboration charges 1,901  
Accrued restructuring charges 205  
Accrued liabilities 933 1,537
Deferred revenue 35,000 35,000
Fair value of derivatives   16
Total current liabilities $ 40,727 $ 41,799
Commitments and contingencies    
Stockholders' equity:    
Common stock $ 158 $ 157
Additional paid-in capital 1,065,352 1,059,072
Accumulated deficit (947,104) (928,433)
Accumulated other comprehensive loss (50) (84)
Total stockholders' equity 118,356 130,712
Total liabilities and stockholders' equity $ 159,083 $ 172,511