Quarterly report pursuant to Section 13 or 15(d)

Condensed Balance Sheets

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Condensed Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets:    
Cash and cash equivalents $ 11,639 $ 16,079
Marketable securities 46,079 58,774
Collaboration receivables 4,853 3,367
Prepaid and other current assets 2,176 1,004
Total current assets 64,747 79,224
Property and equipment, net 130 179
Other assets 2,023 2,538
Total assets 66,900 81,941
Current liabilities:    
Accounts payable and accrued expenses 11,635 11,962
Accrued compensation 1,485 2,008
Current portion of deferred revenue 14,430 14,172
Total current liabilities 27,550 28,142
Deferred revenue, less current portion 5,749 12,519
Convertible note payable 13,530 13,158
Deferred rent 99 126
Stockholders’ equity:    
Preferred stock, $0.0001 par value; 10,000 shares authorized; no shares issued and outstanding 0 0
Common stock, $0.0001 par value; 200,000 shares authorized; 30,145 shares issued and outstanding at June 30, 2018; 30,035 shares issued and outstanding at December 31, 2017 3 3
Additional paid-in capital 198,143 196,077
Accumulated other comprehensive loss (41) (77)
Accumulated deficit (178,133) (168,007)
Total stockholders’ equity 19,972 27,996
Total liabilities and stockholders’ equity $ 66,900 $ 81,941