Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 254,045	$ 386,569
Prepaid expenses and other current assets	7,447	4,087
Total current assets	261,492	390,656
Investments	64,780	0
Restricted cash	250	350
Right-of-use assets	4,733	2,180
Property and equipment, net	2,212	1,618
Total assets	333,467	394,804
Current liabilities:
Accounts payable	2,078	2,583
Accrued expenses	11,727	5,278
Term loan payable, net	0	844
Current portion of lease liability	1,087	896
Total current liabilities	14,892	9,601
Lease liability, net of current portion	4,760	2,326
Total liabilities	19,652	11,927
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred Stock, $0.0001 par value per share; 10,000,000 shares authorized at December 31, 2021 and 2020; no shares issued and outstanding at December 31, 2021 and 2020	0	0
Common stock, $0.0001 par value per share; 200,000,000 shares authorized at December 31, 2021 and 2020, 35,133,934 and 34,801,537 shares issued and 35,107,651 and 34,701,274 shares outstanding at December 31, 2021 and 2020, respectively	4	3
Additional paid-in capital	500,349	479,608
Accumulated other comprehensive loss	(326)	0
Accumulated deficit	(186,212)	(96,734)
Total stockholders' equity	313,815	382,877
Total liabilities, and stockholders' equity	$ 333,467	$ 394,804