Quarterly report pursuant to Section 13 or 15(d)

Share Holders Equity (Deficit) (Details Textual)

v3.19.3
Share Holders Equity (Deficit) (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended
May 01, 2019
Aug. 14, 2018
Aug. 09, 2018
Jun. 04, 2018
Apr. 26, 2018
Jun. 22, 2017
Feb. 28, 2019
Sep. 30, 2019
Sep. 30, 2018
Jun. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Class of Stock [Line Items]                        
Issuance of common stock                 $ 12,377,321   $ 5,928,235 $ 16,398,662
Proceeds from issuance     $ 9,600,000                  
Shares purchased (in shares)         531,066              
Purchase price         $ 1,400,000              
Share price (in usd per share)         $ 2.72              
Shares issued under warrants (in shares)       1,968,736                
Deemed dividends               $ 0 $ 0 $ 765,179 $ 86,207 $ 765,179
Shares issued in public offering (in shares)     9,000,000                  
Cowen Agreement                        
Class of Stock [Line Items]                        
Issuance of common stock           $ 25,000,000            
Shares issued (in shares)               1,609,373 1,794,621   1,609,373 1,794,621
Proceeds from issuance                     $ 1,500,000 $ 3,700,000
Public Offering                        
Class of Stock [Line Items]                        
Sale of stock (in usd per share)     $ 1.15                  
Over-Allotment Option                        
Class of Stock [Line Items]                        
Proceeds from issuance   $ 1,400,000                    
Shares issued in public offering (in shares)   1,288,800                    
Sale of stock (in usd per share)   $ 1.15                    
Registered Public Offering                        
Class of Stock [Line Items]                        
Proceeds from issuance $ 2,900,000                      
Shares issued in public offering (in shares) 3,957,432                      
Sale of stock (in usd per share) $ 0.74                      
Private Placement                        
Class of Stock [Line Items]                        
Sale of stock (in usd per share)             $ 0.9501          
Subscription Agreements                        
Class of Stock [Line Items]                        
Shares purchased (in shares)             1,616,683          
Deemed dividends $ 86,207                      
Common stock purchase price             $ 1,500,000          
Purchase of additional common stock (in shares) 116,496                      
Benjamin Samuels | Private Placement                        
Class of Stock [Line Items]                        
Shares issued in public offering (in shares)             841,928          
Gerald Budde | Private Placement                        
Class of Stock [Line Items]                        
Shares issued in public offering (in shares)             26,310          
Minimum                        
Class of Stock [Line Items]                        
Strike price of warrants (in usd per share)                   $ 2.62    
Maximum                        
Class of Stock [Line Items]                        
Strike price of warrants (in usd per share)                   $ 3.80