Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 120,669	$ 45,747
Restricted cash	329
Prepaid expenses and other current assets	1,383	2,171
Total current assets	122,381	47,918
Property and equipment, net	4,009	4,503
Operating lease right-of-use assets	860	1,355
Restricted cash	1,089	329
Other assets	1,696	762
Total assets	130,035	54,867
Current liabilities:
Accounts payable	1,670	3,125
Accrued expenses and other current liabilities	5,465	4,258
Operating lease liabilities	926	1,074
Deferred revenue	1,811	9,789
Total current liabilities	9,872	18,246
Operating lease liabilities, net of current portion	3	379
Deferred revenue, net of current portion	9,130	1,926
Total liabilities	19,005	20,551
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.001 par value, 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
Common stock, $0.001 par value; 200,000,000 shares authorized at June 30, 2022 and December 31, 2021; 31,826,357 and 13,007,178 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	32	13
Additional paid-in capital	325,891	227,700
Accumulated deficit	(214,893)	(193,397)
Total stockholders’ equity	111,030	34,316
Total liabilities and stockholders’ equity	$ 130,035	$ 54,867