Segment Reporting (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Information [Line Items]
Net revenues	$ 948	$ 1,851
Research and development expenses	3,156	3,495
General and administrative expenses	7,685	5,022
Operating loss	(9,893)	(6,666)
Interest expense	(807)	0
Interest and other income	43	41
Consolidated net loss	(10,657)	(6,625)
Total assets	51,600	12,494
Fixed assets, net	25,574	13
Intangible assets, net	2,092	2,360
Depreciation expense	577	5
Amortization of intangible assets	363	358
iBio Brazil [Member]
Segment Reporting Information [Line Items]
Net revenues	0	0
Research and development expenses	0	0
General and administrative expenses	22	93
Operating loss	(22)	(93)
Interest expense	0	0
Interest and other income	0	0
Consolidated net loss	(22)	(93)
Total assets	20	46
Fixed assets, net	0	10
Intangible assets, net	0	0
Depreciation expense	2	2
Amortization of intangible assets	0	0
iBio United States [Member]
Segment Reporting Information [Line Items]
Net revenues	948	1,851
Research and development expenses	3,156	3,495
General and administrative expenses	7,663	4,929
Operating loss	(9,871)	(6,573)
Interest expense	(807)	0
Interest and other income	43	41
Consolidated net loss	(10,635)	(6,532)
Total assets	51,580	12,448
Fixed assets, net	25,574	3
Intangible assets, net	2,092	2,360
Depreciation expense	575	3
Amortization of intangible assets	$ 363	$ 358