CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 17,795	$ 7,159
Marketable securities	89,321	140,462
Prepaid expenses	1,129	547
Other current assets	344	374
Total current assets	108,589	148,542
Right of use assets - operating leases, net	5,355
Right of use assets - financing leases, net	2,319
Property and equipment, net	2,049	4,644
Other non-current assets	63	39
Total assets	118,375	153,225
Current liabilities:
Accounts payable and accrued liabilities	4,473	2,456
Compensation and employee benefits liabilities	2,462	1,753
Operating lease liabilities, current	1,251
Financing lease liabilities, current	880	680
Total current liabilities	9,066	4,889
Operating lease liabilities, non-current	4,323
Financing lease liabilities, non-current	1,579	1,674
Other non-current liabilities		149
Total liabilities	14,968	6,712
Commitments and contingencies (Note 7)
Stockholders' equity:
Common stock, $0.0001 par value and 250,000,000 shares authorized as of December 31, 2022 and 2021; 30,764,160 and 30,609,029 shares issued and outstanding at December 31, 2022 and 2021, respectively	3	3
Additional paid-in capital	302,202	296,049
Accumulated deficit	(197,794)	(149,206)
Accumulated other comprehensive loss	(1,004)	(333)
Total stockholders' equity	103,407	146,513
Total liabilities and stockholders' equity	$ 118,375	$ 153,225