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Commitments and Contingencies (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 30, 2018
USD ($)
Jul. 31, 2017
USD ($)
Aug. 31, 2016
USD ($)
Oct. 31, 2010
USD ($)
Jun. 30, 2018
USD ($)
Employee
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
ft²
Employee
Jun. 30, 2017
USD ($)
Mar. 31, 2018
Employee
Commitments and Contingencies [Abstract]                  
Number of employees | Employee         15   15   37
Leases [Abstract]                  
Rent expense         $ 149,743 $ 150,614 $ 301,769 $ 298,674  
Future Minimum Rental Payments Required under Operating Leases [Abstract]                  
2018 (remaining)         301,868   301,868    
2019         604,541   604,541    
2020         603,371   603,371    
2021         530,385   530,385    
2022 and after         0   0    
Total minimum payments required         2,040,165   2,040,165    
Evonik [Member]                  
Commitments and Contingencies [Abstract]                  
Milestone payments paid     $ 1,000,000 $ 250,000          
Evonik [Member] | Maximum [Member]                  
Commitments and Contingencies [Abstract]                  
Milestone payments to be paid         14,750,000   14,750,000    
Oakwood Amended and Restated Master Formulation Development Agreement [Member]                  
Commitments and Contingencies [Abstract]                  
Milestone payments paid $ 500,000 $ 1,500,000              
Remaining milestone payments to be paid no later than April 1, 2019         2,500,000   $ 2,500,000    
Royalty Term             12 years    
Oakwood Amended and Restated Master Formulation Development Agreement [Member] | Maximum [Member]                  
Commitments and Contingencies [Abstract]                  
Milestone payments to be paid         4,500,000   $ 4,500,000    
Oakwood Manufacturing and Supply Agreement [Member] | Maximum [Member]                  
Commitments and Contingencies [Abstract]                  
Milestone payments to be paid         $ 2,250,000   $ 2,250,000    
Employment Agreements [Member]                  
Commitments and Contingencies [Abstract]                  
Term for payment of severance benefits following a change of control             24 months    
Employment Agreements [Member] | Minimum [Member]                  
Commitments and Contingencies [Abstract]                  
Term for payment of severance benefits             12 months    
Employment Agreements [Member] | Maximum [Member]                  
Commitments and Contingencies [Abstract]                  
Term for payment of severance benefits             18 months    
Office Space in Berkeley Heights, New Jersey Under Lease Effective December 13, 2013 [Member]                  
Leases [Abstract]                  
Term of lease         63 months   63 months    
Area of leased property | ft²             8,000    
Write-off of leasehold improvements             $ 67,118    
Office Space in Berkeley Heights, New Jersey Under Lease Entered into February 18, 2016 [Member]                  
Leases [Abstract]                  
Term of lease         63 months   63 months    
Area of leased property | ft²             20,410