Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 26,405	$ 13,523
Prepaid expenses and other current assets	3,256	2,265
Other receivables	1,242	3,363
Total current assets	30,903	19,151
Restricted cash	5,480	5,720
Property and equipment, net	13,474	12,559
Operating lease right-of-use asset	43,671	44,717
In-process research and development	10,256	10,256
Goodwill	3,490	3,490
Other assets	1,039	2,470
Total assets	108,313	98,363
Current liabilities
Accounts payable and accrued liabilities	3,851	5,689
Accrued compensation	1,222	768
Convertible debt	48,261
Term debt, current	63,127
Current portion of operating lease liabilities	6,596	9,481
Other current liabilities	124	523
Total current liabilities	123,181	16,461
Operating lease liabilities, net of current portion	28,156	28,583
Convertible debt		58,633
Term debt, non-current		23,674
Deferred tax liability	3,077	3,077
Total liabilities	154,414	130,428
Commitments and contingencies (Note 12)
Stockholders' deficit
Common stock, $0.01 par value; 217,000,000 shares authorized; 36,155,992 and 36,122,932 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	362	361
Additional paid-in capital	278,391	276,393
Accumulated deficit	(324,854)	(308,819)
Total stockholders' deficit	(46,101)	(32,065)
Total liabilities and stockholders' deficit	$ 108,313	$ 98,363