Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 17,141	$ 13,523
Prepaid expenses and other current assets	3,029	2,265
Other receivables	2,219	3,363
Total current assets	22,389	19,151
Restricted cash	5,480	5,720
Property and equipment, net	13,616	12,559
Operating lease right-of-use asset	42,251	44,717
In-process research and development	10,256	10,256
Goodwill	3,490	3,490
Other assets	755	2,470
Total assets	98,237	98,363
Current liabilities
Accounts payable and accrued liabilities	3,714	5,689
Accrued compensation	1,580	768
Convertible debt, current	41,357
Term debt, current	66,046
Current portion of operating lease liabilities	4,994	9,481
Other current liabilities	513	523
Total current liabilities	118,204	16,461
Operating lease liabilities, net of current portion	27,929	28,583
Convertible debt, non-current		58,633
Term debt, non-current		23,674
Deferred tax liability	3,077	3,077
Total liabilities	149,210	130,428
Commitments and contingencies (Note 12)
Stockholders' deficit
Common stock, $0.01 par value; 217,000,000 shares authorized; 36,183,067 and 36,122,932 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	362	361
Additional paid-in capital	279,000	276,393
Accumulated deficit	(330,335)	(308,819)
Total stockholders' deficit	(50,973)	(32,065)
Total liabilities and stockholders' deficit	$ 98,237	$ 98,363