Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details Textual)

v3.10.0.1
Basis of Presentation (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended
Jul. 12, 2018
Jun. 26, 2018
Jun. 26, 2018
Nov. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Aug. 31, 2018
Jun. 30, 2018
Jun. 20, 2018
Jun. 30, 2017
Basis of Presentation [Line Items]                    
Accumulated deficit         $ (92,626,000)     $ (88,228,000)    
Net Cash Used in Operating Activities         (778,000) $ (3,017,000)        
Cash         16,010,000 5,916,000   $ 15,934,000   $ 8,088,000
Proceeds from Issuance of Common Stock         1,350,000 1,000,000        
Stock Issued During Period, Shares, New Issues 1,500,000   4,350,000 2,250,000            
Stock Issued During Period, Value, New Issues   $ 16,000,000   $ 4,500,000            
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest         $ (4,399,000) (3,827,000)        
Shares Issued, Price Per Share   $ 0.90 $ 0.90 $ 2.00            
Preferred Stock, Par or Stated Value Per Share   $ 1,000 $ 1,000           $ 0.001  
Convertible Preferred Stock, Shares Issued upon Conversion   7,000,000 7,000,000   896,666   796,666      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized     2,666,666              
Contract with Customer, Liability, Revenue Recognized         $ 2,900,000          
Over-Allotment Option [Member]                    
Basis of Presentation [Line Items]                    
Proceeds from Issuance of Common Stock $ 1,350,000                  
Stock Issued During Period, Shares, New Issues 1,500,000     11,000            
Stock Issued During Period, Value, New Issues     $ 17,350,000              
Shares Issued, Price Per Share $ 0.90 $ 0.90 $ 0.90              
Underwritten Public Offering [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Value, New Issues     $ 16,000,000              
Common Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues   4,350,000                
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest         0 $ 0        
Shares Issued, Price Per Share   $ 0.90 $ 0.90              
Series A Preferred Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues   6,300 6,300              
Preferred Stock, Par or Stated Value Per Share   $ 1,000 $ 1,000           $ 0.001  
Series B Preferred Stock [Member]                    
Basis of Presentation [Line Items]                    
Stock Issued During Period, Shares, New Issues   5,785 5,785              
Preferred Stock, Par or Stated Value Per Share   $ 1,000 $ 1,000              
Series B Preferred Stock [Member] | Common Stock [Member]                    
Basis of Presentation [Line Items]                    
Convertible Preferred Stock, Shares Issued upon Conversion   6,427,778 6,427,778              
Convertible Preferred Stock Conversion Price   $ 0.90 $ 0.90              
iBio CMO [Member]                    
Basis of Presentation [Line Items]                    
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest         $ 4,400,000