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Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 25,254 $ 23,081
Other current assets 186 268
Total current assets 25,440 23,349
Operating lease right-of-use assets 45 90
Property and equipment, net 13 47
Total assets 25,498 23,486
Current liabilities:    
Accounts payable 416 453
Accrued development expense 755 777
Accrued compensation and benefits 84 58
Operating lease liabilities, current 45 90
Other current liabilities 14 9
Total current liabilities 1,314 1,387
Total liabilities 1,314 1,387
Commitments and contingencies
Stockholders' equity:    
Preferred stock, $.001 par value; 10,000,000 shares authorized, none issued and outstanding
Common stock, $.001 par value; 120,000,000 shares authorized; 24,919,333 and 21,841,810 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively 25 22
Additional paid-in capital 195,032 190,664
Accumulated deficit (170,873) (168,587)
Total stockholders' equity 24,184 22,099
Total liabilities and stockholders' equity $ 25,498 $ 23,486