Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Narrative)

v3.19.1
Commitments and Contingencies (Details Narrative)
3 Months Ended
Feb. 26, 2019
USD ($)
ft²
Sep. 20, 2018
USD ($)
Aug. 21, 2017
USD ($)
ft²
Mar. 31, 2019
USD ($)
Sep. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Jan. 02, 2019
USD ($)
Dec. 31, 2018
USD ($)
Commitment And Contingencies [Line Items]                
Operating lease liability       $ 7,318,588     $ 3,800,000  
Operating lease, right of use asset       5,839,435     $ 2,400,000
Leasehold improvements reimbursement       990,759        
Total lease expense       200,162   $ 146,991    
Research and Development Expense [Member]                
Commitment And Contingencies [Line Items]                
Upfront cash payment         $ 250,000      
Potential milestone payments       18,400,000        
August 2017 Lease Agreement [Member]                
Commitment And Contingencies [Line Items]                
Area of office space | ft²     32,733          
Operating lease, term     7 years          
Leasehold improvements     $ 1,080,189          
Irrevocable letter of credit     400,000          
Unsecured letter of credit     $ 400,000          
Incurred interest expense       $ 1,837   $ 1,774    
Percentage of incremental borrowing rate from present value of lease     9.00%          
August 2017 Lease Agreement [Member] | First Year [Member]                
Commitment And Contingencies [Line Items]                
Rent expense     $ 470,000          
August 2017 Lease Agreement [Member] | Seventh Year [Member]                
Commitment And Contingencies [Line Items]                
Rent expense     908,000          
August 2017 Lease Agreement [Member] | Third Anniversary [Member]                
Commitment And Contingencies [Line Items]                
Irrevocable letter of credit     300,000          
August 2017 Lease Agreement [Member] | Fourth Anniversary [Member]                
Commitment And Contingencies [Line Items]                
Irrevocable letter of credit     $ 200,000          
February 2019 Lease Agreement [Member]                
Commitment And Contingencies [Line Items]                
Irrevocable letter of credit $ 369,900              
Operating lease liability 855,000              
Operating lease, right of use asset $ 855,000              
Percentage of incremental borrowing rate from present value of lease 9.00%              
Operating lease, extended term 20 months              
Leasehold improvements reimbursement $ 990,759              
February 2019 Lease Agreement [Member] | New Premises [Member]                
Commitment And Contingencies [Line Items]                
Area of office space | ft² 30,023              
Operating lease liability $ 2,700,000              
Operating lease, right of use asset $ 2,700,000              
February 2019 Lease Agreement [Member] | Total Premises [Member]                
Commitment And Contingencies [Line Items]                
Area of office space | ft² 62,756              
February 2019 Lease Agreement [Member] | Third Anniversary [Member]                
Commitment And Contingencies [Line Items]                
Irrevocable letter of credit $ 277,425              
February 2019 Lease Agreement [Member] | Fourth Anniversary [Member]                
Commitment And Contingencies [Line Items]                
Irrevocable letter of credit $ 184,950              
Jenrin Agreement [Member]                
Commitment And Contingencies [Line Items]                
Upfront cash payment   $ 250,000            
Potential milestone payments   $ 18,400,000