Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 139,419	$ 49,498
Short-term investments	49,302	262,519
Prepaid expenses and other current assets	4,101	4,444
Total current assets	192,822	316,461
Restricted cash	1,032	1,032
Property and equipment, net	11,152	12,638
Operating lease right-of-use assets	15,587	16,705
Other non-current assets	8,549	3,235
Total assets	229,142	350,071
Current liabilities:
Accounts payable	18,219	10,426
Accrued and other current liabilities	22,543	17,568
Operating lease liabilities, current	2,818	2,518
Total current liabilities	43,580	30,512
Operating lease liabilities, non-current	24,120	26,454
Total liabilities	67,700	56,966
Commitments and contingencies (Note 5)
Stockholders’ equity:
Common stock	115	109
Additional paid-in capital	1,030,536	1,003,685
Accumulated other comprehensive (loss) income	(76)	10
Accumulated deficit	(869,133)	(710,699)
Total stockholders’ equity	161,442	293,105
Total liabilities and stockholders’ equity	$ 229,142	$ 350,071

Accrued and other liabilities current.

No definition available.

Name:	annx_AccruedAndOtherLiabilitiesCurrent
Namespace Prefix:	annx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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).