Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 122,914	$ 143,513
Accounts receivable		3,000
Prepaid expenses and other current assets	5,003	4,122
Total current assets	127,917	150,635
Property and equipment, net	2,885	3,046
Restricted cash	2,305	2,305
Deferred offering costs	323	323
Operating lease right-of-use assets	67,367	69,843
Total assets	200,797	226,152
Current liabilities:
Accounts payable	1,204	3,971
Accrued expenses	8,526	6,810
Current portion of deferred revenue	9,638	12,507
Current portion of operating lease liabilities	10,131	9,936
Total current liabilities	29,499	33,224
Deferred revenue, net of current portion	9,196	9,196
Operating lease liabilities, net of current portion	57,188	59,756
Total liabilities	95,883	102,176
Commitments and contingencies (Note 8)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized at March 31, 2022 and December 31, 2021; No shares issued or outstanding.
Common stock, $0.001 par value; 200,000,000 shares authorized at March 31, 2022 and December 31, 2021; 28,148,125 and 28,133,368 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively.	28	28
Additional paid-in capital	321,434	319,458
Accumulated deficit	(216,548)	(195,510)
Total stockholders’ equity	104,914	123,976
Total liabilities and stockholders’ equity	$ 200,797	$ 226,152