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CONDENSED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 10,895 $ 18,120
Grant receivable 718  
Other current assets 751 3,697
Total current assets 12,364 21,817
Property and equipment, net 1,143 1,324
Operating lease right-of-use assets 242 248
Goodwill 372 372
Intangible assets, net 64 94
Other assets 12 12
Total assets 14,197 23,867
Current liabilities:    
Accounts payable and accrued expenses 6,580 10,134
Operating lease liability 110 110
Term loan obligation 4,709 1,608
Total current liabilities 11,399 11,852
Term loan obligation   3,786
Noncurrent operating lease liability 136 141
Deferred grant liability   1,643
Total liabilities 11,535 17,422
Commitments and contingencies (Note 8)
Stockholders’ equity:    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,952 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively
Common stock, $0.001 par value; 100,000,000 shares authorized; 2,879,620 and 2,240,092 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively 3 2
Additional paid-in capital 476,131 473,628
Accumulated deficit (473,472) (467,185)
Total stockholders’ equity 2,662 6,445
Total liabilities and stockholders’ equity $ 14,197 $ 23,867