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Condensed Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Current assets:    
Cash and cash equivalents $ 10,334 $ 19,232
Prepaid expenses and other current assets 904 308
Accounts and grants receivable 31 84
Total current assets 11,269 19,624
Property and equipment, net 2,258 2,449
Intangible assets, net 2,321 2,401
Operating lease asset 701 882
Other assets 200 202
Total assets 16,749 25,558
Current liabilities:    
Accounts payable 700 99
Accrued expenses 1,905 1,820
Current portion of lease liability 639 623
Deferred revenue 40 40
Total current liabilities 3,284 2,582
Long-term liabilities:    
Lease liability 501 824
Other liabilities 308 265
Total long-term liabilities 809 1,089
Total liabilities 4,093 3,671
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 June 30, 2025, and December 31, 2024
Additional paid-in capital 132,288 131,480
Accumulated deficit (119,646) (109,607)
Total stockholders’ equity 12,656 21,887
Total liabilities and stockholders’ equity 16,749 25,558
Class A Common Stock    
Stockholders’ equity:    
Common stock value 13 13
Class B common stock    
Stockholders’ equity:    
Common stock value $ 1 $ 1