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Balance Sheets - USD ($)
Dec. 31, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 19,232,000 $ 4,949,000
Marketable equity securities 0 412,000
Prepaid expenses and other current assets 308,000 376,000
Accounts and grants receivable 84,000 111,000
Total current assets 19,624,000 5,848,000
Property and equipment, net 2,449,000 2,529,000
Intangible assets, net 2,401,000 2,287,000
Operating lease asset 882,000 1,221,000
Other assets 202,000 193,000
Total assets 25,558,000 12,078,000
Current liabilities:    
Accounts payable 99,000 638,000
Accrued expenses 1,820,000 2,152,000
Current portion of operating lease liability 623,000 593,000
Deferred revenue 40,000 506,000
Total current liabilities 2,582,000 3,889,000
Long-term liabilities:    
Long-term portion of operating lease liability 824,000 1,448,000
Other liabilities 265,000 0
Total long-term liabilities 1,089,000 1,448,000
Total liabilities 3,671,000 5,337,000
Commitments and contingencies (Note 9)
Stockholders' Equity:    
Preferred stock, $0.001 par value per share, 5,000,000 shares authorized, no shares issued and outstanding at December 31, 2024 and December 31, 2023
Additional paid-in capital 131,480,000 91,823,000
Stock subscription receivable 0 (100,000)
Accumulated deficit (109,607,000) (84,984,000)
Total stockholders’ equity 21,887,000 6,741,000
Total liabilities and stockholders’ equity 25,558,000 12,078,000
Class A Common Stock    
Stockholders' Equity:    
Common stock value 13,000 1,000
Class B common stock    
Stockholders' Equity:    
Common stock value $ 1,000 $ 1,000