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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Cash flows from operating activities:      
Net loss $ (85,793) $ (30,949)  
Adjustments to reconcile net loss to net cash used in operating activities:      
Stock-based compensation expense 5,592 6,006  
Amortization of operating lease right-of-use assets 804 784  
Depreciation and amortization expense 348 457  
Other non-cash adjustments 7 91  
Changes in operating assets and liabilities:      
Accounts receivable 2,697 2,091  
Inventory 108 (71)  
Prepaid expenses and other current assets (3,728) 4,797  
Other non-current assets (1,066) 18  
Accounts payable (4,248) 7,675  
Accrued expenses 1,075 (24,580)  
Operating lease liabilities (532) (747)  
Other current liabilities 19 (2)  
Net cash used in operating activities (84,717) (34,430)  
Cash flows from investing activities:      
Purchases of property and equipment (1,236) (155)  
Net cash used in investing activities (1,236) (155)  
Cash flows from financing activities:      
Proceeds from exercises of stock options 91 105  
Proceeds from issuance of common stock under the employee stock purchase plan 255 122  
Proceeds from at-the-market offering, net of commissions 19,448 0  
Payments for at-the-market offering costs (219) (86)  
Payments for underwritten public offering costs (231) 0  
Net cash provided by financing activities 19,344 141  
Effect of exchange rate changes on cash and cash equivalents 0 0  
Net decrease in cash and cash equivalents (66,609) (34,444)  
Cash and cash equivalents at beginning of period 226,689 69,349 $ 69,349
Cash and cash equivalents at end of period 160,080 34,905 $ 226,689
Supplemental disclosure of cash flow information      
Deferred offering costs in accrued expenses 0 50  
Deferred offering costs in accounts payable 96 0  
Property and equipment included in accrued expenses 93 0  
Property and equipment included in accounts payable $ 50 $ 0