UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities:
Net loss	$ (26,567)	$ (38,050)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	764	795
Amortization of intangible asset	18,021	18,021
Change in fair value of warrant liability	(2,201)	0
Non-cash royalty revenue related to sale of future royalties	(865)	(936)
Non-cash research and development expense	0	782
Non-cash interest expense	229	983
Non-cash operating lease expense	2,056	(955)
Non-cash write-off from termination of lease	0	(825)
Non-cash loss on extinguishment of debt	294	0
Write-down of inventory	1,061	612
Change in excess inventory purchase commitments	2,068	0
Stock-based compensation expense	4,432	5,979
Changes in operating assets and liabilities:
Accounts receivable	9,525	20,712
Inventory	(19,360)	10,828
Prepaid expenses and other current assets	1,282	7,684
Other long-term assets	452	(5,876)
Accounts payable	(726)	(12,058)
Accrued expense and other current liabilities	(14,526)	(19,382)
Operating lease liabilities	(1,959)	1,034
Deferred revenue	0	(3,738)
Other long-term liabilities	(3,478)	481
Net cash used in operating activities	(29,498)	(13,909)
Investing Activities:
Purchases of equipment	(29)	0
Net cash used in investing activities	(29)	0
Financing Activities:
Proceeds from the issuance of debt	45,000	0
Payments of issuance costs related to BlackRock Credit Agreement	(750)	0
Proceeds from issuance of common stock, net of issuance costs	18,740	0
Proceeds from issuance of stock under employee stock purchase plan	70	34
Proceeds from the exercise of stock options	155	0
Repayment of term debt	(37,100)	(24,000)
Net cash provided by (used in) financing activities	26,115	(23,966)
Decrease in cash, cash equivalents and restricted cash	(3,412)	(37,875)
Cash, cash equivalents and restricted cash — beginning of period	44,579	93,169
Cash, cash equivalents and restricted cash — end of period	41,167	55,294
Non-cash financing activities
Issuance of warrants in connection with BlackRock Credit Agreement	4,846	0
Unpaid issuance costs related to BlackRock Credit Agreement	$ 522	$ 0