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BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 15,658 $ 13,589
Account receivable   365
Prepaid expenses and other current assets 625 664
Total current assets 16,283 14,618
Equipment, net 810 945
Intangible assets, net 339 549
Operating lease right-of-use assets 338 467
Total assets 17,770 16,579
Current liabilities:    
Accounts payable 1,174 2,463
Accrued liabilities 229 228
Operating lease liabilities, current 138 128
Total current liabilities 1,541 2,819
Operating lease liabilities, non-current 226 364
Other liability 1,500  
Total liabilities 3,267 3,183
Commitments and contingencies
Stockholders' equity:    
Common stock, $.001 par value; 90,000,000 shares authorized; 35,167,673 and 31,338,391 shares issued and outstanding at December 31, 2024 and 2023, respectively 35 31
Additional paid-in capital 82,452 64,874
Accumulated deficit (67,988) (51,509)
Total stockholders' equity 14,503 13,396
Total liabilities and stockholders' equity 17,770 $ 16,579
Series D Preferred Stock    
Stockholders' equity:    
Preferred Stock $ 4