Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 32,819	$ 163,635
Investments	238,675	208,701
Prepaid expenses and other current assets	5,661	5,847
Total current assets	277,155	378,183
Property and equipment, net	32,524	36,786
Goodwill	39,154	39,154
Intangible assets	25,150	25,150
Restricted cash	1,365	1,362
Deposits	515	529
Operating lease right-of-use assets, net	3,830	4,173
Finance lease right-of-use asset, net	41,286	42,363
Total assets	420,979	527,700
Current liabilities:
Accounts payable and accrued expenses	40,505	37,827
Operating lease liabilities, current	1,010	1,001
Finance lease liability, current	1,884	1,856
Total current liabilities	43,399	40,684
Operating lease liabilities, non-current	2,928	3,258
Finance lease liability, non-current	19,380	19,383
Other liabilities	1,061	1,141
Total liabilities	66,768	64,466
Commitments and contingencies (Note 13)
Stockholders' equity:
Common stock, $0.01 par value, 180,000,000 shares authorized; 107,884,420 and 106,453,818 shares issued and outstanding as of June 30, 2025, and December 31, 2024, respectively	1,079	1,065
Additional paid-in capital	1,701,608	1,680,219
Accumulated other comprehensive (loss) income	(107)	66
Accumulated deficit	(1,348,369)	(1,218,116)
Total stockholders' equity	354,211	463,234
Total liabilities and stockholders' equity	420,979	527,700
Series A Convertible Preferred Shares
Stockholders' equity:
Preferred stock
Series B Convertible Preferred Shares
Stockholders' equity:
Preferred stock