Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 15,893	$ 40,577
Prepaid expenses and other current assets	379	2,448
Total current assets	16,272	43,025
Property and equipment, net	1,051	1,404
Operating lease right-of-use assets	16,792	19,924
Restricted cash	1,993	1,993
Total assets	36,108	66,346
Current liabilities:
Accounts payable	663	1,179
Restructuring liability	3,266	4,347
Accrued expenses and other current liabilities	775	2,586
Operating lease liabilities	4,818	4,121
Deferred revenue		398
Total current liabilities	9,522	12,631
Operating lease liabilities, net of current portion	25,441	30,259
Deferred revenue, net of current portion	11,862	11,862
Total liabilities	46,825	54,752
Commitments and contingencies (Note 17)
Stockholders' (deficit) equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized at December 31, 2025 and 2024; no shares issued and outstanding at December 31, 2025 and 2024
Common stock, $0.001 par value; 200,000,000 shares authorized at December 31, 2025 and 2024; 1,774,882 and 1,310,308 shares issued and outstanding as of December 31, 2025 and 2024, respectively	2	1
Additional paid-in capital	422,990	416,383
Accumulated deficit	(433,709)	(404,790)
Total stockholders' (deficit) equity	(10,717)	11,594
Total liabilities and stockholders' (deficit) equity	$ 36,108	$ 66,346