Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 71,038	$ 133,481
Accounts receivable	144	494
Prepaid expenses and other current assets	3,369	8,576
Total current assets	74,551	142,551
Property and equipment, net	15,936	19,635
Operating right-of-use assets	32,752	5,053
In-process research and development	32,900	32,900
Goodwill	0	18,057
Restricted cash, non-current	2,568	2,268
Other assets	4,232	4,905
TOTAL ASSETS	162,939	225,369
CURRENT LIABILITIES:
Accounts payable	1,097	3,737
Accrued expenses and other current liabilities	10,161	9,925
Operating lease liabilities, current	3,431	1,128
Total current liabilities	14,689	14,790
Deferred tax liability	3,461	3,461
Loan payable, non-current	14,653	0
Operating lease liabilities, non-current	34,255	4,887
Other liabilities	170	7
Total liabilities	67,228	23,145
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS’ EQUITY (DEFICIT):
Preferred stock (undesignated), $0.001 par value; 10,000,000 shares authorized and no shares issued and outstanding as of December 31, 2022 and December 31, 2021	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized as of December 31, 2022 and December 31, 2021; 48,053,596 and 47,512,182 shares issued and outstanding as of December 31, 2022 and December 31, 2021, respectively	48	47
Additional paid-in capital	371,304	363,172
Accumulated deficit	(275,641)	(160,995)
Total stockholders' equity	95,711	202,224
TOTAL LIABILITIES, REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY	$ 162,939	$ 225,369