CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 75,000	$ 68,431
Short-term investments	21,526	117,158
Prepaid expenses and other current assets	6,247	5,006
Total current assets	102,773	190,595
Operating lease right-of-use assets	52,266	78,934
Property and equipment, net	14,764	34,927
Restricted cash	1,976	2,503
Deposit and other long-term assets	1,231	1,413
Total assets	173,010	308,372
Current liabilities:
Accounts payable	1,921	2,238
Accrued expenses and other current liabilities	12,584	16,767
Lease liability, current portion	10,409	13,241
Total current liabilities	24,914	32,246
Long-term liabilities:
Lease liability, net of current portion	64,627	93,561
Other non-current liabilities	0	1,047
Total liabilities	89,541	126,854
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.0001 par value, 5,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value, 300,000 shares authorized at December 31, 2023: 101,433 and 100,117 shares issued and outstanding at December 31, 2023 and 2022, respectively	10	10
Additional paid-in capital	1,003,709	985,651
Accumulated other comprehensive loss	(473)	(1,531)
Accumulated deficit	(919,777)	(802,612)
Total stockholders’ equity	83,469	181,518
Total liabilities and stockholders’ equity	$ 173,010	$ 308,372

Accrued expenses and other current liabilities.

No definition available.

Name:	advm_AccruedExpensesAndOtherCurrentLiabilities
Namespace Prefix:	advm_
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).