v3.25.3
CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Cash flows from operating activities:    
Net loss $ (8,555) $ (13,087)
Adjustments to reconcile net loss to net cash used in operating activities:    
Change in carrying value of right-of-use asset 19 19
Stock-based compensation expense 1,550 2,229
Stock issued in exchange for services 0 25
Changes in operating assets and liabilities, net:    
Accrued interest on marketable debt securities 0 (134)
Prepaid expenses, other current assets, and other assets (344) 96
Accounts payable, accrued expenses and other liabilities 498 (1,700)
Net cash used in operating activities (6,832) (12,552)
Cash flows from investing activities:    
Purchase of marketable debt securities 0 (3,056)
Redemption of marketable debt securities 0 9,410
Net cash provided by investing activities 0 6,354
Cash flows from financing activities:    
Proceeds from public offerings 4,652 0
Proceeds from exercise of warrants and options 0 274
Net cash provided by financing activities 11,309 424
Net increase (decrease) in cash and cash equivalents 4,477 (5,774)
Cash and cash equivalents at beginning of period 2,590 8,556
Cash and cash equivalents at end of period 7,067 2,782
Supplemental disclosure of non-cash financing activities:    
Common stock issued in exchange for services 0 51
Public Offering    
Cash flows from financing activities:    
Issuance costs related to public offerings and ATM offering (933) 0
ATM Offering    
Cash flows from financing activities:    
Issuance costs related to public offerings and ATM offering (318) (82)
Proceeds from ATM offerings and common stock issuances 7,884 232
Common Stock Issuances    
Cash flows from financing activities:    
Proceeds from ATM offerings and common stock issuances $ 24 $ 0

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