v3.26.1
CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (9,796) $ (10,976)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 283 654
Amortization of premiums and discounts on marketable securities (59) (237)
Stock-based compensation 344 1,363
Noncash operating lease expense 154 142
Changes in operating assets and liabilities:    
Prepaid expenses and other assets (308) 166
Accounts payable 1,059 (2,617)
Accrued liabilities and other liabilities (4,735) (1,217)
Lease liabilities (269) (240)
Other long-term liabilities (36) (32)
Net cash used in operating activities (13,363) (12,994)
Cash flows from investing activities:    
Sales and maturities of marketable securities 1,300 21,063
Purchases of marketable securities   (13,969)
Net cash provided by investing activities 1,300 7,094
Cash flows from financing activities:    
Net proceeds from at-the-market sales 1,234  
Proceeds from exercise of stock options 14  
Net cash provided by financing activities 1,248  
Net increase (decrease) in cash and cash equivalents (10,815) (5,900)
Cash and cash equivalents - beginning of period 25,982 27,727
Cash and cash equivalents - end of period 15,167 21,827
Supplemental disclosures of cash flow information:    
Cash paid for interest $ 14 $ 16