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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 36,425 $ 45,001
Prepaid expenses and other current assets 2,055 1,268
Total current assets 38,480 46,269
Deferred offering costs 162 284
Operating lease right-of-use asset 181 227
Security deposits and other non-current assets 248 248
Property, equipment and leasehold improvements, net 78 103
Total assets 39,149 47,131
Current liabilities:    
Accounts payable 3,488 2,016
Accrued expenses 3,316 3,426
Term loan - current portion 2,333  
Term loan derivative liability - current portion 162  
Operating lease liability - current portion 111 113
Total current liabilities 9,410 5,555
Term loan - long term portion 11,912 13,954
Term loan derivative liability – long term portion   196
Operating lease liability - long term portion 91 144
Total liabilities 21,413 19,849
Commitments and contingencies (Note 11)
Stockholders’ equity    
Preferred stock: $0.001 par value; 5,000,000 shares authorized at June 30, 2021 and December 31, 2020; no shares issued or outstanding at June 30, 2021 or December 31, 2020.
Common stock: $0.001 par value; 200,000,000 shares authorized at June 30, 2021 and December 31, 2020; and 21,459,498 and 18,546,786 shares issued and outstanding at June 30, 2021 and December 31, 2020, respectively. 21 19
Additional paid-in capital 182,857 174,240
Accumulated deficit (165,142) (146,977)
Total stockholders’ equity 17,736 27,282
Total liabilities and stockholders’ equity $ 39,149 $ 47,131