v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows used in operating activities    
Net loss $ (3,934) $ (47,964)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation and amortization expense 42 537
Non-cash lease expense 374 508
Stock-based compensation expense 1,187 3,628
Change in fair value of warrant liability (13,620)
(Gain) loss on disposal of property and equipment (80) 2
Gain on reversal of CIRM grant liability (2,264)
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets 2,113 718
Other non-current assets 70 628
Accounts payable (3,442) 4,007
Accrued expenses and other current liabilities (948) 391
Operating lease liability (965) (750)
Net cash used in operating activities (21,467) (38,295)
Cash flows provided by investing activities    
Purchases of property and equipment (7)
Proceeds from sales of property and equipment 80 12
Net cash provided by investing activities 80 5
Cash flows from financing activities    
Proceeds from issuance of common stock through ATM and underwritten offerings, net 5,940
Proceeds from issuance of common stock pursuant to Employee Stock Purchase Plan 9 223
Net cash provided by financing activities 9 6,163
Net decrease in cash, cash equivalents and restricted cash (21,378) (32,127)
Cash, cash equivalents and restricted cash at beginning of the period 29,109 72,054
Cash, cash equivalents and restricted cash at end of the period 7,731 39,927
Supplemental and non-cash items reconciliations    
Right-of-use asset obtained in exchange for lease liabilities $ 1,092