v3.25.4
CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 4,256 $ 76
Restricted cash and cash equivalents 4,502  
Investments 4,356 3,530
Grant receivable 322 571
Other current assets 1,734 1,082
Total current assets 15,170 5,259
Property and equipment, net 257 448
Operating lease right-use-of assets 70 73
Goodwill 372 372
Intangible assets, net 333 469
Other assets 123 12
Total assets 16,325 6,633
Current liabilities:    
Accounts payable and accrued expenses 5,920 11,288
Investor liability pursuant to Letter Agreement 4,502  
Operating lease liability 56 44
Deferred grant liability 927 927
Other liabilities 159  
Line of credit 750 3,292
Total current liabilities 12,314 15,551
Noncurrent operating lease liability 15 31
Total liabilities 12,329 15,582
Commitments and contingencies (Note 7)
Stockholders' equity (deficit):    
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 1,952 shares issued and outstanding as of December 31, 2025 and 2024
Common stock, $0.001 par value; 2,000,000,000 shares authorized; 138,934,281 shares issued and 138,675,856 outstanding as of December 31, 2025, 100,000,000 shares authorized; 6,154,758 shares issued and 5,896,333 outstanding as of December 31, 2024, respectively 139 6
Treasury stock (at cost), 258,425 shares as of December 31, 2025 and 2024, respectively (500) (500)
Additional paid-in capital 520,222 485,024
Accumulated deficit (515,865) (493,479)
Total stockholders' equity (deficit) 3,996 (8,949)
Total liabilities and stockholders' equity $ 16,325 $ 6,633