Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash	$ 46,922	$ 20,487
Short-term marketable securities	89,558	0
Prepaid expenses and other current assets	11,772	1,511
Total current assets	148,252	21,998
Long-term marketable securities	24,919	0
Other long term assets	70	2,633
Total assets	173,241	24,631
Current liabilities:
Accounts payable	1,404	1,086
Accounts payable, related party	0	207
Accrued expenses	4,588	1,219
Accrued expenses with related parties	39	0
Redeemable convertible preferred stock tranche liability	0	551
Total current liabilities	6,031	3,063
Other long-term liabilities	7	0
Total liabilities	6,038	3,063
Commitments and contingencies (Note 7)
Redeemable convertible preferred stock, $0.0001 par value per share, 10,000,000 and 12,909,389 shares authorized, 0 and 7,140,157 shares issued and outstanding with aggregate liquidation preference of $0 and $49,891 at December 31, 2021 and 2020, respectively	0	46,551
Stockholders' equity (deficit)
Common stock, $0.0001 par value per share, 13,100,000 and 40,000,000 shares authorized and 26,235,317 and 3,418,751 shares issued and outstanding at December 31, 2021 and 2020, respectively	3	1
Additional paid-in capital	242,939	3,152
Accumulated other comprehensive loss	(123)	0
Accumulated deficit	(75,616)	(28,136)
Total stockholders’ deficit	167,203	(24,983)
Total liabilities, redeemable convertible preferred stock and stockholders' equity	$ 173,241	$ 24,631