Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 18,341	$ 15,566
Marketable securities, available for sale	230,054	265,223
Prepaid expenses and other assets	4,948	2,984
Total current assets	253,343	283,773
Property and equipment	2,920	1,614
Less: accumulated depreciation	(882)	(702)
Total property and equipment	2,038	912
Operating lease right-of-use asset	1,571
Other non-current assets	447	548
Total assets	257,399	285,233
Current liabilities
Accounts payable	2,828	3,843
Accrued compensation	2,024	2,797
Accrued other expenses	4,260	3,881
Operating lease liability, current portion	104
Total current liabilities	9,216	10,521
Operating lease liability, net of current portion	1,636
Other long term liabilities	192	329
Total liabilities	11,044	10,850
Commitments and contingencies (see note 5)
Stockholders' equity:
Preferred stock, $.0001 par value per share; 200,000,000 shares authorized as of June 30, 2022 and December 31, 2021, respectively; no shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively
Common stock, $.0001 par value per share; 1,000,000,000 shares authorized, 49,780,365 shares and 49,500,308 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	5	5
Additional paid-in capital	356,373	351,852
Accumulated other comprehensive loss	(2,336)	(514)
Accumulated deficit	(107,687)	(76,960)
Total stockholders' equity	246,355	274,383
Total liabilities and stockholders' equity	$ 257,399	$ 285,233