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

Commitments and Contingencies (Milestone Payments) (Details)

Commitments and Contingencies (Milestone Payments) (Details) - Planet Biotechnologies - USD ($)		9 Months Ended
	Sep. 11, 2020	Mar. 31, 2021
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Collaborative Arrangement, One-Time Up-Front Payment	$ 150,000
Threshold period for one-time, non-refundable, milestone payments		30 days
Milestone payments due and payable in connection with any registration application		$ 0
Investigation New Drug Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		150,000
Fifth patient enrolled in a Phase I Trial of a Product
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		200,000
Fifth patient enrolled in a Phase II Trial of a Product
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		300,000
Fifth patient enrolled in a Phase III Trial of a Product
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		500,000
Approval of Biologics License Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		1,000,000
First Anniversary of Biologics License Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		1,000,000
Second Anniversary of Biologics License Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		1,000,000
Third Anniversary of Biologics License Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		1,000,000
Fourth Anniversary of Biologics License Application
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Milestone payments		$ 1,000,000