Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

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Basis of Presentation (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Apr. 13, 2016
Mar. 31, 2018
Nov. 30, 2017
Jul. 24, 2017
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
May 02, 2018
Jun. 30, 2017
Jun. 30, 2016
Basis of Presentation [Line Items]                      
Accumulated deficit   $ (83,810,000)     $ (83,810,000)   $ (83,810,000)     $ (72,123,000)  
Net Cash Used in Operating Activities             (10,105,000) $ (9,398,000)      
Cash   $ 3,398,000     $ 3,398,000 $ 12,422,000 3,398,000 12,422,000   $ 8,088,000 $ 23,014,000
Proceeds from Issuance of Common Stock             5,621,000 0      
Stock Issued During Period, Shares, New Issues 6,500,000   22,500,000                
Stock Issued During Period, Value, New Issues $ 4,043,000   $ 4,500,000 $ 1,000,000     $ 5,621,000        
Common Stock, Par or Stated Value Per Share   $ 0.001     $ 0.001   $ 0.001     $ 0.001  
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total         $ (3,963,000) $ (4,405,000) $ (11,690,000) $ (11,809,000)      
Common Stock, Shares, Issued   115,918,510   1,200,000 115,918,510   115,918,510     89,118,510  
Subsequent Event [Member]                      
Basis of Presentation [Line Items]                      
Common Stock, Par or Stated Value Per Share                 $ 0.001    
iBio CMO [Member]                      
Basis of Presentation [Line Items]                      
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total             $ 11,700,000        
Lincoln Park Capital Fund, LLC [Member]                      
Basis of Presentation [Line Items]                      
Aggregate Common Stock Purchased       $ 16,000,000              
Proceeds from Issuance of Common Stock     $ 4,200,000                
Stock Issued During Period, Shares, New Issues   600,000 22,500,000 2,500,000     600,000        
Stock Issued During Period, Value, New Issues   $ 121,290   $ 1,000,000     $ 121,290