CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 7,159	$ 16,596
Marketable securities	140,462
Deferred offering costs		2,105
Prepaid expenses	547	1,375
Other current assets	374
Total current assets	148,542	20,076
Property and equipment, net	4,644	1,266
Other non-current assets	39	86
Total assets	153,225	21,428
Current liabilities:
Accounts payable and accrued liabilities	2,456	3,882
Compensation and employee benefits	1,753	916
Capital lease liabilities	680	32
Total current liabilities	4,889	4,830
Debt		567
Capital lease liabilities	1,674	86
Other non-current liabilities	149	52
Total liabilities	6,712	5,535
Commitments and contingencies (Note 7)
Stockholders' equity deficit:
Common stock, $0.0001 par value and 250,000,000 shares authorized as of December 31, 2021; 30,609,029 and 1,875,422 shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively	3
Additional paid-in capital	296,049	55,969
Accumulated deficit	(149,206)	(112,412)
Accumulated other comprehensive loss	(333)
Total stockholders' equity (deficit)	146,513	(56,443)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 153,225	21,428
Convertible Preferred Stock Series AA
Temporary Equity
Convertible preferred stock		61,411
Convertible Preferred Stock Series BB
Temporary Equity
Convertible preferred stock		$ 10,925