Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 22,408	$ 36,330
Investments in marketable short-term securities	71,294	86,293
Accounts receivable	905	2,409
Prepaid expenses and other current assets	2,835	2,284
Total current assets	97,442	127,316
Property and equipment, net of accumulated depreciation and impairment of $13,347 (December 31, 2024: $12,996)	137	3,309
Right of use asset	0	1,048
Other non-current assets	131	34
Total assets	97,710	131,707
Current liabilities:
Accounts payable and accrued liabilities	4,653	7,564
Deferred license revenue, current	0	7,571
Lease liability, current	531	483
Total current liabilities	5,184	15,618
Liability related to sale of future royalties	3,684	4,829
Deferred license revenue, non-current	0	2,863
Contingent consideration	11,052	10,225
Lease liability, non-current	391	806
Total liabilities	20,311	34,341
Stockholders’ equity
Issued and outstanding: 191,953,665 (December 31, 2024: 189,963,492)	1,418,560	1,410,025
Additional paid-in capital	83,285	82,048
Deficit	(1,376,317)	(1,346,572)
Accumulated other comprehensive loss	(48,129)	(48,135)
Total stockholders’ equity	77,399	97,366
Total liabilities and stockholders’ equity	$ 97,710	$ 131,707

Liability Related To Sale Of Future Royalties, Noncurrent

No definition available.

Name:	abus_LiabilityRelatedToSaleOfFutureRoyaltiesNoncurrent
Namespace Prefix:	abus_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.