Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 20,611	$ 17,618
Restricted cash, current	0	1,178
Prepaid expenses and other current assets	854	1,897
Total current assets	21,465	20,693
Property and equipment, net	328	483
Operating lease, right-of-use assets	5,019	5,706
Restricted cash, noncurrent	702	696
Other long-term prepaid assets	770	600
Total assets	28,284	28,178
Current liabilities
Accounts payable	321	1,038
Accrued expenses	5,213	8,415
Deferred research obligation	0	1,169
Operating lease liability, current	981	901
Total current liabilities	6,515	11,523
Warrant liabilities	3,877	2,828
Operating lease liability, noncurrent	4,356	5,105
Long-term debt, net of debt discount and debt issuance costs	9,720	20,034
Total liabilities	24,468	39,490
Commitments and contingencies - Note 9
Stockholders' equity (deficit):
Common stock, $0.01 par value per share; 300,000,000 shares authorized; 17,273,107 shares and 11,043,837 shares issued at September 30, 2025 and December 31, 2024, respectively; 17,258,652 and 11,029,382 outstanding as of September 30, 2025 and December 31, 2024, respectively	173	110
Treasury stock, at cost, 14,455 shares outstanding	(150)	(150)
Additional paid-in capital	229,778	183,004
Accumulated other comprehensive loss	(31)	(175)
Accumulated deficit	(225,954)	(194,101)
Total stockholders' equity (deficit)	3,816	(11,312)
Total liabilities and stockholders’ equity (deficit)	$ 28,284	$ 28,178

Warrant Liability

No definition available.

Name:	angn_WarrantLiability
Namespace Prefix:	angn_
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).