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 6 Months Ended
Jul. 12, 2018
Jun. 26, 2018
Jun. 26, 2018
Nov. 30, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 30, 2018
Jun. 20, 2018
Jun. 30, 2017
Basis of Presentation [Line Items]                      
Accumulated deficit         $ (97,095,000)   $ (97,095,000)   $ (88,228,000)    
Net Cash Used in Operating Activities             2,459,000 $ 0      
Cash         13,361,000 $ 7,310,000 13,361,000 7,310,000 $ 15,934,000   $ 8,088,000
Proceeds from Issuance of Common Stock             1,350,000 5,500,000      
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         $ (4,470,000) $ (3,900,000) $ (8,869,000) $ (7,727,000)      
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   1,396,666   1,396,666        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized     2,666,666                
Contract with Customer, Liability, Revenue Recognized         $ 1,400,000   $ 2,900,000        
Contract with Customer, Liability         $ 626,000   626,000        
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              
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        
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                
Eastern Affiliate [Member]                      
Basis of Presentation [Line Items]                      
Net Cash Used in Operating Activities       $ 2,459,000              
iBio CMO [Member]                      
Basis of Presentation [Line Items]                      
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest             $ 8,900,000