Quarterly report pursuant to Section 13 or 15(d)

Condensed Balance Sheets

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Condensed Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Current assets:    
Cash and cash equivalents $ 6,691 $ 11,586
Marketable securities 40,162 23,209
Contract receivables   211
Accrued interest receivable 209 136
Prepaid expenses 1,491 1,991
Other current assets 20 96
Total current assets 48,573 37,229
Property and equipment, net 69 86
Other assets 221 159
Total assets 48,863 37,474
Current liabilities:    
Accounts payable 707 2,085
Accrued liabilities 4,017 3,388
Warrant liability 1,356 13,596
Facility loan   1,355
Accrued interest payable 73 35
Total current liabilities 6,153 20,459
Facility loan, less current portion 9,198 3,152
Other liabilities 18 13
Total liabilities $ 15,369 $ 23,624
Commitments and contingencies
Stockholders' equity:    
Preferred stock, $0.0001 par value: 10,000,000 shares authorized; no shares issued and outstanding
Common stock, $0.0001 par value: 100,000,000 shares authorized; 23,447,003 and 14,696,108 shares issued and outstanding as of September 30, 2015 and December 31, 2014, respectively $ 2 $ 1
Additional paid-in capital 423,809 394,622
Accumulated other comprehensive loss (8) (14)
Accumulated deficit (390,309) (380,759)
Total stockholders' equity 33,494 13,850
Total liabilities and stockholders' equity $ 48,863 $ 37,474