Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.19.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended
Jul. 09, 2015
Feb. 21, 2017
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Jan. 02, 2018
Money Market Funds Fair Value     $ 1,210,000      
Contingent Consideration Funds Fair Value       $ 1,210,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles     3,912,314   $ 3,912,314  
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets           $ 9,500,000
Contract with Customer, Liability, Revenue Recognized     2,686,000      
Intangible Assets and Inprocess Research And Development     237,500   243,750  
New Accouting Pronouncements Corresponding Liabilities Balance     $ 137,000      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     56,409,002 11,622,964    
Operating Lease, Right-of-Use Asset     $ 97,354   $ 0  
Employee Stock Option [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     2,777,416      
Warrant [Member]            
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     31,772,340      
New Valeant Agreement [Member]            
Revenues Recognition Milestone Method Description     Company is eligible to receive milestone payments totaling up to approximately $99.0 million, upon and subject to the achievement of certain specified developmental and commercial progress of the EGP-437 Product for the New Field.      
Proceeds From Upfront Payment $ 1,000,000 $ 4,000,000        
Contract with Customer, Liability, Revenue Recognized 32,500,000 99,000,000        
Revenue Recognition Milestone Payments $ 5,400,000 $ 3,400,000