Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net Income (Loss)	$ 32,682	$ (40,133)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock-based compensation expense	2,819	6,489
Depreciation and amortization expense	1,076	1,559
Non-cash operating lease cost	2,045	2,393
Amortization of debt issuance costs	0	465
Loss on disposal of fixed assets	0	293
Impairment of long-lived assets	0	3,267
Change in fair value of warrant liabilities	0	(416)
Changes in operating assets and liabilities:
Accounts receivable due from SPN - related party	(693)	0
Prepaid expenses and other current and other non-current assets	1,345	4,406
Collaboration receivable - related party	0	1,256
Inventories	0	(12,326)
Deferred income - related party	0	379
Accounts payable	(1,966)	1,594
Accrued liabilities due to SPN - related party	(3,864)	0
Operating lease liabilities	(2,092)	(218)
Accrued expenses and other current and long-term liabilities	(4,442)	(4,244)
Net cash provided by (used in) operating activities	26,910	(35,236)
Cash flows from investing activities:
Purchases of property and equipment	(34)	(62)
Net cash used in investing activities	(34)	(62)
Cash flows from financing activities:
Proceeds from at the market equity offering, net of issuance costs	996	18,409
Issuance of common stock under ESPP	184	353
Net cash provided by financing activities	1,180	18,762
Net (decrease) increase in cash, cash equivalents, and restricted cash	28,056	(16,536)
Cash, cash equivalents and restricted cash at beginning of period	39,461	136,150
Cash, cash equivalents and restricted cash at end of period	67,517	119,614
Supplemental disclosure of cash flow information:
Cash paid for interest	0	3,580
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment purchases included in accounts payable and accrued expenses	$ 55	$ 0