CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 68,431,000	$ 34,195,000
Short-term investments	117,158,000	270,993,000
Lease incentive receivable	0	5,709,000
Prepaid expenses and other current assets	5,006,000	6,248,000
Total current assets	190,595,000	317,145,000
Operating lease right-of-use assets	78,934,000	86,000,000
Property and equipment, net	34,927,000	33,060,000
Restricted cash	2,503,000	2,503,000
Deferred rent receivable	0	769,000
Deposit and other non-current assets	1,413,000	250,000
Total assets	308,372,000	439,727,000
Current liabilities:
Accounts payable	2,238,000	1,387,000
Accrued expenses and other current liabilities	16,767,000	18,047,000
Lease liability, current portion	13,241,000	1,886,000
Total current liabilities	32,246,000	21,320,000
Long-term liabilities:
Lease liability, net of current portion	93,561,000	101,108,000
Other non-current liabilities	1,047,000	1,114,000
Total liabilities	126,854,000	123,542,000
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, 2022: 100,117 and 98,381 shares issued and outstanding at December 31, 2022 and 2021, respectively	10,000	10,000
Additional paid-in capital	985,651,000	964,965,000
Accumulated other comprehensive loss	(1,531,000)	(714,000)
Accumulated deficit	(802,612,000)	(648,076,000)
Total stockholders’ equity	181,518,000	316,185,000
Total liabilities and stockholders’ equity	$ 308,372,000	$ 439,727,000

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).