v3.25.2
Condensed Consolidated Statements of Cash Flows (Unaudited)
$ in Thousands
6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Cash flows from operating activities:    
Net loss $ (11,386) $ (29,876)
Adjustments to reconcile net loss to net cash used in operating activities    
Depreciation 174 311
Net accretion of discounts on marketable securities (243) (817)
Stock-based compensation expense 1,362 3,280
Non-cash operating lease expense 1,074 907
Loss on disposal of property and equipment 0 99
Impairment of assets held for sale 0 742
Changes in operating assets and liabilities:    
Prepaid expenses and other current assets (588) (539)
Deposits and other assets 940 2,796
Accounts payable (385) (658)
Accrued expenses and other current liabilities (3,119) (5,488)
Operating lease liabilities (1,844) (1,646)
Other long-term liabilities 31 83
Net cash used in operating activities (13,984) (30,806)
Cash flows from investing activities:    
Proceeds from sale of property and equipment 0 245
Purchases of marketable securities (23,184) (72,265)
Proceeds from sales and maturities of marketable securities 71,065 27,200
Amounts loaned under note receivable (15,000)  
Net cash provided by (used in) investing activities 32,881 (44,820)
Cash flows from financing activities:    
Net increase (decrease) in cash, cash equivalents and restricted cash 18,897 (75,626)
Cash, cash equivalents and restricted cash, beginning of period 40,265 121,172
Cash, cash equivalents and restricted cash, end of period 59,162 45,546
Reconciliation of cash, cash equivalents, and restricted cash to the condensed consolidated balance sheets:    
Cash and cash equivalents 58,290 44,268
Restricted cash included in deposits and other assets 872 1,278
Cash, cash equivalents and restricted cash, end of period $ 59,162 $ 45,546