Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Cash flows from operating activities:
Net loss	$ (43,123)	$ (41,541)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,643	2,767
Stock-based compensation expense	14,466	4,745
Asset impairment charge	7,482
Amortization of debt discount and debt issuance costs		3,765
Amortization of right-of-use asset	2,054	1,472
Accretion of discounts on investments, net	(1,439)
Change in fair value of common stock warrant liability		2,469
Change in fair value of derivative liability		(2,493)
Non-cash interest charges		1,110
Change in allowance for credit losses		(171)
Changes in assets and liabilities:
Accounts receivable	(13,418)	(4,877)
Prepaid expenses and other current assets	(4,582)	(2,413)
Other non-current assets	(1,522)	(1,883)
Accounts payable	1,743	(1,433)
Accrued expenses and other current liabilities	(912)	(267)
Operating lease liabilities	(2,075)	(1,787)
Other non-current liabilities	2	67
Net cash used in operating activities	(38,681)	(40,470)
Cash flows from investing activities:
Purchase of property and equipment	(3,813)	(1,891)
Purchase of investments	(45,313)
Maturities of investments	68,923
Net cash provided by (used in) investing activities	19,797	(1,891)
Cash flows from financing activities:
Proceeds from convertible notes offering, net of issuance costs		72,813
Proceeds from exercise of stock options	6,568	1,430
Issuance of common stock under employee stock purchase plan	3,288
Payments of exit, prepayment penalty and lender fees		(1,066)
Payment of taxes related to vested restricted stock units	(1,646)
Payment of deferred offering costs		(2,028)
Net cash provided by financing activities	8,210	71,149
Effect of foreign exchange rates	253	55
Net increase (decrease) in cash and cash equivalents	(10,421)	28,843
Balance, beginning of period	49,485	55,842
Balance, end of period	39,064	84,685
Supplemental disclosure of cash flow information:
Cash paid for interest		6,728
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable	25	26
Right-of-use asset obtained in exchange for lease obligation	$ 7,148	561
Conversion of term loan principal to convertible notes		23,000
Issuance of convertible notes to certain employees in lieu of cash compensation		1,353
Reclassification of term loan debt discount to convertible notes debt discount		239
Unpaid deferred offering costs included in accounts payable and accrued expenses and other current liabilities		2,205
Unpaid convertible notes issuance costs included in accounts payable and accrued expenses and other current liabilities		$ 83