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

Subsequent Events (Details Textual) (USD $)	3 Months Ended	0 Months Ended	7 Months Ended
Subsequent Events (Details Textual) (USD $)	Mar. 31, 2015	May 15, 2015	Mar. 31, 2015	Aug. 25, 2014
Subsequent Event [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	0.44
Subsequent Event [Member]
Subsequent Event [Line Items]
Term Of Stock Purchase Agreement		36 months
Aspire Capital Fund, LLC [Member]
Subsequent Event [Line Items]
Aggregate Common Stock Purchased				$ 10,000,000
Term Of Stock Purchase Agreement	3 years
Aspire Capital Fund, LLC [Member] \| Subsequent Event [Member] \| Maximum [Member]
Subsequent Event [Line Items]
Sale of Stock, Consideration Received Per Transaction		15,000,000
Aspire Capital Fund, LLC [Member] \| Subsequent Event [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Sale of Stock, Number of Shares Issued in Transaction			2,684,452
Sale of Stock, Consideration Received Per Transaction			2,698,214
Aggregate Common Stock Purchased	10,000,000		$ 10,000,000