v3.20.1
Summary of Significant Accounting Policies (Details)
1 Months Ended 3 Months Ended
Apr. 30, 2020
USD ($)
Apr. 29, 2020
USD ($)
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2020
EUR (€)
Dec. 31, 2019
USD ($)
Summary of Significant Accounting Policies (Details) [Line Items]            
Accumulated deficit     $ (200,978,739)     $ (195,421,172)
Sale of net operation loss (NOL)     $ (5,611,748) $ (4,923,181)    
Description of ATM program     the Company had approximately $2.1 million available under its current ATM program and $30.3 million available under its current shelf registration statement for the issuance of equity, debt or equity-linked securities unrelated to the current ATM program.      
Provide security deposit (in Euro) | €         € 110,000  
Short-term leases term, description     Short-term leases are leases that have a term of 12 months or less and do not include an option to purchase the underlying asset that the Company is reasonably certain to exercise. The Company recognizes the lease payments for short-term leases on a straight-line basis over the lease term.      
Clinical trial expense paid     $ 30,000,000      
clinical trial expense paid amount     27,400,000      
Research and development expense     2,472,117 2,874,996    
Accounts payable and accrued expenses     2,500,000      
Clinical Research Organization [Member]            
Summary of Significant Accounting Policies (Details) [Line Items]            
Research and development expense     $ 22,000 $ 517,000    
First Instances [Member]            
Summary of Significant Accounting Policies (Details) [Line Items]            
Deposits (in Euro) | €         36,000  
Second Instances [Member]            
Summary of Significant Accounting Policies (Details) [Line Items]            
Deposits (in Euro) | €         € 10,000  
Subsequent Event [Member]            
Summary of Significant Accounting Policies (Details) [Line Items]            
NDA application fee $ 2,942,965 $ 2,942,965        
NEW JERSEY            
Summary of Significant Accounting Policies (Details) [Line Items]            
Sale of net operation loss (NOL) $ 5,200,000