CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 21,764	$ 43,716
Marketable securities	179,935	217,204
Prepaid expenses and other current assets	12,456	8,458
Assets held for sale	6,432	0
Total current assets	220,587	269,378
Property, plant and equipment, net	181,469	196,880
Operating lease right-of-use assets	3,155	12,457
Other long-term assets	3,099	3,413
Total assets	408,310	482,128
Current liabilities:
Accounts payable	2,160	2,359
Accrued expenses and other current liabilities	16,097	30,069
Contingent consideration, current portion	120	360
Total current liabilities	18,377	32,788
Contingent consideration, net of current portion	8,041	7,882
Operating lease liabilities, non-current	3,698	5,171
Loan payable	81,516	72,350
Other long-term liabilities	162	332
Total liabilities	111,794	118,523
Commitments and contingencies (Note 6)
Stockholders’ equity:
Preferred stock, par value $0.000001 per share; 10,000,000 shares authorized; zero shares issued and outstanding as of June 30, 2023, and December 31, 2022	0	0
Common stock, par value $0.000001 per share; 300,000,000 shares authorized; 130,079,097 shares issued and outstanding as of June 30, 2023, and December 31, 2022	0	0
Additional paid-in capital	797,935	788,992
Accumulated other comprehensive loss	(795)	(493)
Accumulated deficit	(500,624)	(424,894)
Total stockholders’ equity	296,516	363,605
Total liabilities and stockholders’ equity	$ 408,310	$ 482,128
Preferred stock, par value (in dollars per share)	$ 0.000001	$ 0.000001