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

Finance Lease Obligation - Lease with Second Eastern Affiliate (Details) - USD ($)	3 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Mar. 31, 2019
Finance Lease Obligation
Sub Lease Expiration Period	34 years
Renewal term	10 years
Annual base rent	$ 2,100,000
Financial Lease Obligation Description	the base rent, iBio CDMO is required to pay, for each calendar year during the term, a portion of the total gross sales for products manufactured or processed at the facility, equal to 7% of the first $5,000,000 of gross sales, 6% of gross sales between $5,000,001 and $25,000,000, 5% of gross sales between $25,000,001 and $50,000,000, 4% of gross sales between $50,000,001 and $100,000,000, and 3% of gross sales between $100,000,001 and $500,000,000. However, if for any calendar year period from January 1, 2018 through December 31, 2019, iBio CDMO's applicable gross sales are less than $5,000,000, or for any calendar year period from and after January 1, 2020, its applicable gross sales are less than $10,000,000, then iBio CDMO is required to pay the amount that would have been payable if it had achieved such minimum gross sales and shall pay no less than the applicable percentage for the minimum gross sales for each subsequent calendar year. As the Company accounts for leases under ASC 842, the minimum percentage rent is included in the finance lease obligation.
Percentage rent expense		$ 42,000	$ 32,000