CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net loss	$ (42,972)	$ (43,894)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	1,004	639
Non-cash lease expense	1,953	1,821
Stock-based compensation	18,385	6,111
Non-cash interest expense	3,411	2,090
Non-cash royalty revenue related to the sale of future royalties	(967)	0
Other, net	(2,483)	(521)
Changes in operating assets and liabilities:
Accounts receivable	(15,210)	(1,376)
Inventory	(33,945)	(19,566)
Prepaid commercial manufacturing	8,363	401
Prepaid expenses and other assets	(4,626)	817
Accounts payable	(257)	(5,565)
Accrued compensation and benefits	(2,139)	(668)
Operating lease liabilities	(2,200)	(1,892)
Accrued and other liabilities	11,947	110
Deferred revenue	4,616	1,961
Net cash used in operating activities	(55,120)	(59,532)
Investing activities
Proceeds from maturities and redemptions of investments	78,112	19,250
Purchases of investments	(56,870)	(88,127)
Purchases of property and equipment	(281)	(107)
Net cash provided by (used in) investing activities	20,961	(68,984)
Financing activities
Proceeds from 2022 Loan Agreement, net of issuance costs	49,750	0
Proceeds from issuance of common stock in at the market offering, net of issuance costs	0	62,085
Proceeds from issuance of common stock under equity incentive and stock purchase plans	4,829	349
Net cash provided by financing activities	54,579	62,434
Net increase (decrease) in cash and cash equivalents	20,420	(66,082)
Cash and cash equivalents at beginning of period	21,470	96,140
Cash and cash equivalents at end of period	41,890	30,058
Supplementary disclosure of cash flow information:
Cash paid for interest	4,034	1,757
Cash paid for income taxes	272	19
Supplementary disclosure of non-cash activities:
Right-of-use assets obtained in exchange for lease obligations	689	0
Issuance of common stock for services	$ 257	$ 337