Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

v3.8.0.1
Commitments and Contingencies (Details Textual)
 1 Months Ended
Aug. 04, 2017
USD ($)
Mar. 17, 2017
USD ($)
ft²
May 31, 2014
USD ($)
a
Dec. 06, 2017
USD ($)
Commitments And Contingencies [Line Items]        
Operating Leases, Rent Expense     $ 28,939  
Payments Of Monthly Lease Adjusted Annually Percentage     3.00%  
Adjusted Triple Net Expense Of Lease Payments     $ 34,381  
Area of Land | a     27,000  
Security Deposit     $ 750,000  
Proceeds from Other Deposits     $ 375,000  
Operating Leases [Member]        
Commitments And Contingencies [Line Items]        
Adjusted Triple Net Expense Of Lease Payments   $ 28,410    
Area of Land | ft²   20,000    
Security Deposit   $ 56,851    
Payments Of Monthly Lease Adjusted Annually   $ 28,425    
Lease Expiration Period   82 months    
Sub-lease Income [Member]        
Commitments And Contingencies [Line Items]        
Adjusted Triple Net Expense Of Lease Payments   $ 12,828    
Area of Land | ft²   10,000    
Security Deposit   $ 25,046    
Payments Of Monthly Lease Adjusted Annually   $ 12,523    
ActiveSite Pharmaceuticals, Inc. [Member]        
Commitments And Contingencies [Line Items]        
Upfront Payment, Payable $ 750,000      
Payment Execute Term 5 days      
XOMA LLC [Member]        
Commitments And Contingencies [Line Items]        
Payment to be Made for Acquisition of Rights to Develop and Commercialize       $ 6,000,000
Value of Stock to be Issued for Acquisition of Rights to Develop and Commercialize       12,000,000
Clinical, Regulatory and Annual Net Sales Milestone Payments,Payable       $ 222,000,000
Minimum | ActiveSite Pharmaceuticals, Inc. [Member]        
Commitments And Contingencies [Line Items]        
Milestone Payments $ 10,000,000      
Maximum | ActiveSite Pharmaceuticals, Inc. [Member]        
Commitments And Contingencies [Line Items]        
Milestone Payments $ 36,500,000