v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Cash flows from operating activities:    
Net loss $ (5,756) $ (16,556)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 47 251
Stock-based compensation 653 2,779
Amortization of premiums and discounts on marketable securities 0 (688)
Amortization of debt discount and issuance costs and other non-cash interest 0 159
Loss on fixed asset write-off 119 0
Gain on sale of nonfinancial asset (1,000) 0
Gain on disposition of fixed assets (9) 0
Changes in operating assets and liabilities    
Prepaid expenses and other current assets 2,000 (714)
Other assets 0 1,741
Accounts payable, accrued and other current liabilities (2,840) (3,597)
Operating lease assets and liabilities (659) (565)
Net cash used in operating activities (7,445) (17,190)
Cash flows from investing activities:    
Purchases of property and equipment 0 (8)
Proceeds from sale of nonfinancial asset 1,000 0
Proceeds from sale of fixed assets 529 0
Maturities of marketable securities 0 13,750
Net cash provided by investing activities 1,529 13,742
Cash flows from financing activities:    
Repayment of loan principal 0 (1,304)
Proceeds from issuance of common stock under employee stock incentive plans 267 0
Net cash provided by (used in) financing activities 267 (1,304)
Effect of exchange rate changes on cash and cash equivalents 0 5
Net decrease in cash and cash equivalents (5,649) (4,747)
Cash and cash equivalents at the beginning of period 71,878 41,749
Cash and cash equivalents at the end of period 66,229 37,002
Supplemental disclosures    
Cash paid for interest $ 0 $ 189