Annual report pursuant to Section 13 and 15(d)

Balance Sheets

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Balance Sheets - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash and cash equivalents $ 20,703,000 $ 11,565,000
Marketable securities 0 29,127,000
Collaboration receivables 122,000 3,677,000
Prepaid and other current assets 781,000 3,057,000
Total current assets 21,606,000 47,426,000
Property and equipment, net 0 154,000
Other assets 221,000 1,223,000
Total assets 21,827,000 48,803,000
Current liabilities:    
Accounts payable and accrued expenses 1,064,000 6,216,000
Accrued compensation 238,000 2,230,000
Current portion of deferred revenue 0 10,075,000
Current portion of lease liabilities 338,000 0
Total current liabilities 1,640,000 18,521,000
Deferred revenue, less current portion 0 2,815,000
Deferred rent, less current portion 0 68,000
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; 33,170 shares and 33,165 shares issued and outstanding at December 31, 2019 and 2018, respectively 3,000 3,000
Additional paid-in capital 218,198,000 214,042,000
Accumulated other comprehensive loss 0 (17,000)
Accumulated deficit (198,014,000) (186,629,000)
Total stockholders’ equity 20,187,000 27,399,000
Total liabilities and stockholders’ equity $ 21,827,000 $ 48,803,000