Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 218,690	$ 254,045
Short-term Investments	39,285	0
Prepaid expenses and other current assets	5,154	7,447
Total current assets	263,129	261,492
Long term investments	24,218	64,780
Restricted cash	250	250
Right-of-use asset	3,917	4,733
Property and equipment, net	2,485	2,212
Total assets	293,999	333,467
Current liabilities:
Accounts payable	2,114	2,078
Accrued expenses	8,148	11,727
Current portion of lease liability	881	1,087
Total current liabilities	11,143	14,892
Lease liability, net of current portion	4,065	4,760
Total liabilities	15,208	19,652
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred Stock, $0.0001 par value per share; 10,000,000 shares authorized at June 30, 2022 and December 31, 2021; no shares issued and outstanding at June 30, 2022 and December 31, 2021	0	0
Common stock, $0.0001 par value per share; 200,000,000 shares authorized at June 30, 2022 and December 31, 2021, 35,187,344 and 35,133,934 shares issued and 35,169,725 and 35,107,651 shares outstanding at June 30, 2022 and December 31, 2021, respectively	4	4
Additional paid-in capital	510,607	500,349
Accumulated other comprehensive loss	(1,548)	(326)
Accumulated deficit	(230,272)	(186,212)
Total stockholders' equity	278,791	313,815
Total liabilities, and stockholders' equity	$ 293,999	$ 333,467