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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 2,233,000 | $ 76,000
Investments | 4,646,000 | 3,530,000
Grant receivable | 1,021,000 | 571,000
Other current assets | 1,314,000 | 1,082,000
Total current assets | 9,214,000 | 5,259,000
Property and equipment, net | 289,000 | 448,000
Operating lease right-use-of assets | 29,000 | 73,000
Goodwill | 372,000 | 372,000
Intangible assets, net | 401,000 | 469,000
Other assets | 45,000 | 12,000
Total assets | 10,350,000 | 6,633,000
Current liabilities: |  |
Accounts payable and accrued expenses | 6,359,000 | 11,288,000
Operating lease liability | 30,000 | 44,000
Deferred grant liability | 927,000 | 927,000
Line of credit |  | 3,292,000
Total current liabilities | 7,316,000 | 15,551,000
Noncurrent operating lease liability |  | 31,000
Total liabilities | 7,316,000 | 15,582,000
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 June 30, 2025 and December 31, 2024, respectively |  |
Common stock, $0.001 par value; 2,000,000,000 shares authorized; 92,438,432 shares issued; and 92,180,007 shares outstanding as of June 30, 2025, and 100,000,00 shares authorized; 6,154,758 shares issued; and 5,896,333 shares outstanding as of December 31, 2024, respectively | 92,000 | 6,000
Treasury stock (at cost), 258,425 shares as of June 30, 2025 and December 31, 2024, respectively | (500,000) | (500,000)
Additional paid-in capital | 509,171,000 | 485,024,000
Accumulated deficit | (505,729,000) | (493,479,000)
Total stockholders' equity (deficit) | 3,034,000 | (8,949,000)
Total liabilities and stockholders' equity | $ 10,350,000 | $ 6,633,000

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