Stockholders' Equity - Common Stock Warrants (Details) - USD ($)	Sep. 30, 2025	Jul. 07, 2025	Dec. 31, 2024	Dec. 16, 2024
Class of Warrant or Right [Line Items]
Number of Warrants	38,142,859		10,000,000
Common Stock Warrant Liability	$ 50,384,043		$ 13,255,188
July 2025 Offering
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)		$ 0.001
December 2024 Offering Warrants
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)				$ 3.76
December 2024 Offering Warrants \| Underwritten Registered Direct Offering
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)	$ 3.76
Number of Warrants	10,000,000		10,000,000
Common Stock Warrant Liability	$ 13,415,241		$ 13,255,188
Series A Warrants \| July 2025 Offering
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)	$ 1.75	1.75
Number of Warrants	13,857,144		0
Common Stock Warrant Liability	$ 12,151,746		$ 0
Series B Warrants \| July 2025 Offering
Class of Warrant or Right [Line Items]
Warrant exercise price (in dollars per share)	$ 1.75	$ 1.75
Number of Warrants	14,285,715		0
Common Stock Warrant Liability	$ 24,817,056		$ 0

INOVIO PHARMACEUTICALS, INC. 10-Q