Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 128,057	$ 152,406
Prepaid expenses and other current assets	4,709	4,802
Total current assets	132,766	157,208
Property and equipment, net	8,120	8,706
Right-of-use assets	56,006	57,743
Restricted cash	5,031	5,031
Long-term deposit and other assets	68	101
Total assets	201,991	228,789
Current liabilities:
Accounts payable	2,303	1,241
Accrued expenses and other current liabilities	8,592	7,668
Operating lease liability, current portion	7,438	7,167
Deferred revenue, current portion	1,637	2,619
Total current liabilities	19,970	18,695
Operating lease liability, net of current portion	52,445	54,437
Long-term debt and accrued interest	32,654	32,534
Total liabilities	105,069	105,666
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued and outstanding at March 31, 2026 and December 31, 2025
Additional paid-in capital	630,443	627,979
Accumulated other comprehensive loss
Accumulated deficit	(533,528)	(504,862)
Total stockholders' equity	96,922	123,123
Total liabilities and stockholders' equity	201,991	228,789
Voting Common Stock
Stockholders' equity:
Common stock	6	5
Non-voting Common Stock
Stockholders' equity:
Common stock	$ 1	$ 1

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

+ References

No definition available.