iBio Inc. Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Narrative) (Details)

Subsequent Events (Narrative) (Details)	Oct. 09, 2023	Oct. 05, 2023 USD ($)	Oct. 04, 2023 USD ($)	Oct. 07, 2022	Nov. 13, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jan. 31, 2023 USD ($)
Subsequent Event [Line Items]
Restricted cash						$ 3,300,000	$ 3,300,000
Reverse stock split, shares received per share tendered				0.04
Woodforest [Member]
Subsequent Event [Line Items]
Unrestricted cash								$ 7,500,000
Subsequent Event [Member] \| Minimum [Member]
Subsequent Event [Line Items]
Reverse stock split, shares received per share tendered	0.2
Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Reverse stock split, shares received per share tendered	0.05
Subsequent Event [Member] \| Amended Credit Agreement [Member]
Subsequent Event [Line Items]
Unrestricted cash			$ 0
Withdrawal from restricted funds		$ 2,000,000
Restricted cash					$ 1,000,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Woodforest [Member]
Subsequent Event [Line Items]
Amount of fees to be paid			20,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Woodforest [Member] \| Withdrawal on October 4, 2023 With Minimum Balance Until October 16, 2023 [Member]
Subsequent Event [Line Items]
Minimum balance requirement			2,000,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Woodforest [Member] \| Withdrawal After October 16, 2023 With Minimum Balance Until November 13, 2023 [Member]
Subsequent Event [Line Items]
Minimum balance requirement			1,250,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Woodforest [Member] \| Withdrawal after November 13, 2023 with Minimum Balance Until Payment in Full [Member]
Subsequent Event [Line Items]
Minimum balance requirement			1,000,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Maximum [Member] \| Woodforest [Member] \| Withdrawal on October 4, 2023 With Minimum Balance Until October 16, 2023 [Member]
Subsequent Event [Line Items]
Withdrawal from deposit account			1,000,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Maximum [Member] \| Woodforest [Member] \| Withdrawal After October 16, 2023 With Minimum Balance Until November 13, 2023 [Member]
Subsequent Event [Line Items]
Withdrawal from deposit account			750,000
Subsequent Event [Member] \| Amended Credit Agreement [Member] \| Maximum [Member] \| Woodforest [Member] \| Withdrawal after November 13, 2023 with Minimum Balance Until Payment in Full [Member]
Subsequent Event [Line Items]
Withdrawal from deposit account			$ 250,000