Condensed Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents		$ 71,232	$ 127,965
Collaboration receivable - related party		18,601	8,674
Inventories		52,997	29,647
Prepaid expenses and other current assets		6,435	9,124
Total current assets		149,265	175,410
Property and equipment, net		17,794	22,457
Operating lease assets		103,282	109,793
Restricted cash		9,873	8,185
Restricted investments		0	1,401
Other non-current assets	[1]	41,517	41,354
Total assets		321,731	358,600
Current liabilities:
Accounts payable		4,809	3,641
Accrued expenses and other current liabilities	[2]	86,356	80,611
Operating lease liabilities		9,195	6,677
Deferred income - related party		7,922	7,730
Total current liabilities		108,282	98,659
Long term portion of note payable, net of discount		102,494	101,544
Operating lease liabilities, net of current portion		100,936	105,715
Deferred revenue - related party		95,364	95,364
Warrant liabilities		0	546
Other long-term liabilities		1,729	1,628
Total liabilities		408,805	403,456
Commitments and contingencies (Note 15)
Stockholders' deficit:
Preferred stock, $0.001 par value; 10,000,000 shares authorized at June 30, 2024 and December 31, 2023; no shares issued and outstanding at June 30, 2024 and December 31, 2023		0	0
Common stock, $0.001 par value; 360,000,000 shares authorized at June 30, 2024 and 240,000,000 share authorized December 31, 2023; 151,633,922 and 135,041,467 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively		152	135
Additional paid-in capital		964,012	933,244
Accumulated other comprehensive loss		0	0
Accumulated deficit		(1,051,238)	(978,235)
Total stockholders' deficit		(87,074)	(44,856)
Total liabilities and stockholders' deficit		$ 321,731	$ 358,600

[1] Includes $38,877 as of June 30, 2024 and December 31, 2023, of milestones related to the construction of the Company's dedicated manufacturing suite at BacThera AG, or Bacthera. Such amounts will form part of the right-of-use asset upon lease commencement.

[2] Includes related party amounts of $43,075 and $28,053 at June 30, 2024 and December 31, 2023, respectively (see Note 17, Related Party Transactions).