CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 201,661	$ 122,661
Short-term investments	46,459	233,663
Accrued interest	50	450
Prepaid expenses and other current assets	5,178	4,543
Total current assets	253,348	361,317
Restricted Cash	852
Other Assets	1,102
Property and equipment, net	1,549	812
Operating lease right-of-use assets	29,743	8,692
Total assets	286,594	370,821
Current liabilities:
Accounts payable	8,361	963
Accrued expenses	20,152	7,530
Income tax payable	1,007
Operating lease liability, current	6,591	3,229
Amount due to related party	1,742	572
Total current liabilities	37,853	12,294
Operating lease liability, long term	23,475	5,463
Total liabilities	61,328	17,757
Stockholders’ equity (deficit):
Preferred stock, $0.0001 par value: 10,000,000 and 0 shares authorized at December 31, 2020 and 2019, respectively; 0 shares issued and outstanding at December 31, 2020 and 2019, respectively;
Common stock, $0.0001 par value: 150,000,000 and 90,000,000 shares authorized at December 31, 2020 and 2019, respectively; 65,106,873 and 6,502,929 shares issued at December 31, 2020 and 2019, respectively; and 61,931,255 and 2,099,740 shares outstanding at December 31, 2020 and 2019, respectively	7	7
Additional paid-in capital	522,479	478,272
Accumulated other comprehensive (loss) income	(155)	(112)
Accumulated deficit	(297,065)	(125,103)
Total stockholders’ equity (deficit)	225,266	353,064
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	$ 286,594	$ 370,821