Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 40,577,000	$ 22,353,000
Short-term investments	0	80,400,000
Prepaid expenses and other current assets	2,448,000	2,068,000
Total current assets	43,025,000	104,821,000
Property and equipment, net	1,404,000	2,043,000
Operating lease right-of-use assets	19,924,000	33,233,000
Restricted cash	1,993,000	1,392,000
Other assets	0	1,111,000
Total assets	66,346,000	142,600,000
Current liabilities:
Accounts payable	1,179,000	3,131,000
Restructuring liability	4,347,000
Accrued expenses and other current liabilities	2,586,000	9,374,000
Operating lease liabilities	4,121,000	5,434,000
Deferred revenue	398,000	1,658,000
Total current liabilities	12,631,000	19,597,000
Total operating lease liability, net of current portion	30,259,000	21,447,000
Deferred revenue, net of current portion	11,862,000	12,136,000
Total liabilities	54,752,000	53,180,000
Commitments and contingencies (Note 17)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2024 and 2023; no shares issued and outstanding at December 31, 2024 and 2023
Common stock, $0.001 par value; 200,000,000 shares authorized at December 31, 2024 and 2023; 65,515,440 and 57,214,550 shares issued and outstanding as of December 31, 2024 and 2023, respectively	65,000	57,000
Additional paid-in capital	416,319,000	400,685,000
Accumulated other comprehensive income, net of tax	0	33,000
Accumulated deficit	(404,790,000)	(311,355,000)
Total stockholders’ equity	11,594,000	89,420,000
Total liabilities and stock and stockholders’ equity	$ 66,346,000	$ 142,600,000