Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net loss	$ (16,035)	$ (18,037)
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	632	458
Stock-based compensation expense	1,869	1,118
Change in fair value of convertible debt	(10,372)	(2,874)
Non-cash interest expense	4,538
Change in right-of-use asset	960
Changes in operating assets and liabilities:
Prepaid expenses and other assets	2,561	(2,207)
Accounts payable and accrued liabilities	(2,142)	116
Accrued compensation	454	(730)
Operating lease liability	(3,226)	(7,474)
Net cash used in operating activities	(20,761)	(29,630)
Investing activities:
Purchases of property and equipment	(1,616)	(2,232)
Net cash used in investing activities	(1,616)	(2,232)
Financing activities:
Proceeds from issuance of convertible debt, net of issuance costs		29,226
Proceeds from issuance of long-term debt, net of issuance costs	34,889
Proceeds from exercise of stock options	130
Net cash provided by financing activities	35,019	29,226
Net increase (decrease) in cash, cash equivalents and restricted cash	12,642	(2,636)
Cash, cash equivalents and restricted cash, beginning of period	19,243	20,812
Cash,cash equivalents and restricted cash, end of period	31,885	18,176
Supplemental disclosure of cash flow information:
Property and equipment included in accounts payable and accrued liabilities	$ 148	$ 3,416