iBio Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Subsequent Events (Details)

Subsequent Events (Details) - USD ($)		1 Months Ended	2 Months Ended	12 Months Ended
Subsequent Events (Details) - USD ($)	Aug. 19, 2025	Jul. 31, 2025	Aug. 29, 2025	Jun. 30, 2025	Jun. 30, 2024
Subsequent Event [Line Items]
Combined price per share of common stock and warrants				$ 0.76	$ 2.11
Restricted Stock Units
Subsequent Event [Line Items]
Shares vested				35,369	42,054
Subsequent Events \| At Market Issuance Sales Agreement \| At-The-Market Offerings
Subsequent Event [Line Items]
Common stock, shares issued		305,424
Net proceeds from sale of equity		$ 219,000
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock
Subsequent Event [Line Items]
Net proceeds from sale of equity	$ 46,500,000
Aggregate gross proceeds	50,000,000
Transaction costs	$ 3,500,000
Warrant exercise, common stock ownership limitation	4.99%
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Maximum
Subsequent Event [Line Items]
Warrant exercise, common stock ownership limitation (at the election of the holder)	19.99%
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Minimum
Subsequent Event [Line Items]
Warrant exercise, common stock ownership limitation (at the election of the holder)	9.99%
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Pre-Funded Warrants
Subsequent Event [Line Items]
Common stock, shares issued	71,540,000
Warrants, exercise price	$ 0.001
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Series G Warrants
Subsequent Event [Line Items]
Common stock, shares issued	35,770,000
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Pre-funded Series G Warrants
Subsequent Event [Line Items]
Common stock, shares issued	35,770,000
Combined price per share of common stock and warrants	$ 0.699
Warrants, exercise price	0.699
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Series G and Series H Warrants
Subsequent Event [Line Items]
Warrants, exercise price	$ 0.7
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Series H Warrants
Subsequent Event [Line Items]
Common stock, shares issued	35,770,000
Subsequent Events \| Underwriting Agreement \| Leerink Partners \| Common Stock \| Pre-funded Series H Warrants
Subsequent Event [Line Items]
Common stock, shares issued	35,770,000
Subsequent Events \| Restricted Stock Units
Subsequent Event [Line Items]
Shares vested			11