Warrants - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended			6 Months Ended
	Jul. 31, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025	Jan. 31, 2025	Dec. 31, 2024
Class of Warrant or Right [Line Items]
Exercise price of equity-classified broker warrants (in dollars per share)			$ 4.69			$ 4.69				$ 3.85
Fair value of common warrants upon exercise						$ 373	$ 0
Loss on issuance of warrants			$ 0	$ 0		0	578
Loss on fair value of warrants			(859)	$ 3,616		(1,366)	$ 2,338
Equity-classified broker warrants, number of shares of common stock to purchase (in shares)									1,261,830
July 2024 Pre-Funded Warrants \| Common Stock
Class of Warrant or Right [Line Items]
Exercise price of equity-classified broker warrants (in dollars per share)									$ 7.80
Equity-classified broker warrants, number of shares of common stock to purchase (in shares)								3,500,573
Share price (in dollars per share)									$ 7.925
July 2024 Pre-Funded Warrants \| March Subscription Agreement
Class of Warrant or Right [Line Items]
Exercise price of equity-classified broker warrants (in dollars per share)		$ 0.01		$ 0.01	$ 0.01		$ 0.01
Fair value of common warrants upon exercise		$ 6,600
Loss on issuance of warrants					$ 600
July 2024 Pre-Funded Warrants \| July Public Offering
Class of Warrant or Right [Line Items]
Exercise price of equity-classified broker warrants (in dollars per share)	$ 0.01
Fair value of common warrants upon exercise	$ 6,800
Warrants, contractual term (in years)									5 years
July 2024 Common Warrants \| July Public Offering
Class of Warrant or Right [Line Items]
Exercise price of equity-classified broker warrants (in dollars per share)	$ 5.00
Fair value of common warrants upon exercise	$ 6,500
Loss on fair value of warrants			900			1,400
Equity-classified broker warrants, number of shares of common stock to purchase (in shares)	2,300,000
Warrants, contractual term (in years)	5 years
January 2025 Common Warrants
Class of Warrant or Right [Line Items]
Warrants and rights outstanding									$ 9,700
June 2025 Warrants
Class of Warrant or Right [Line Items]
Warrants and rights outstanding			600			$ 600
July Pre-Funded Warrants and July Common Warrants \| July Public Offering
Class of Warrant or Right [Line Items]
Loss on issuance of warrants			$ 2,900

Elicio Therapeutics, Inc. 10-Q