Quarterly report pursuant to Section 13 or 15(d)

Convertible Notes Payable (Details Textual)

v3.19.3
Convertible Notes Payable (Details Textual) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Feb. 19, 2019
Feb. 15, 2019
Dec. 21, 2018
Aug. 31, 2018
Aug. 10, 2018
Aug. 07, 2018
Feb. 13, 2018
Jan. 25, 2018
Jan. 08, 2018
Dec. 26, 2017
Dec. 01, 2017
Nov. 09, 2017
Nov. 01, 2017
Feb. 28, 2019
Jan. 31, 2019
Oct. 31, 2018
Sep. 30, 2019
Feb. 13, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Jun. 08, 2018
Apr. 20, 2018
Apr. 17, 2018
Convertible notes debt amount   $ 11,784,987                                                
Issuance of common shares for extinguishment of convertible debt (in shares)   6,825,391                                                
Threshold percentage of stock ownership after conversion   4.99%                                                
Convertible debt principal   $ 47,781                                                
Convertible number of equity instruments (percentage)   273,034                                                
Number of securities called by warrants (in shares)   1,228,431                                                
Exercise price of warrants or rights (in dollars per share) $ 9.33                                 $ 9.33   $ 9.33   $ 1.75        
Warrants outstanding   $ 1,636,232                                                
Cash paid for interest (non-convertible notes payable - related and non-related party)                                       $ 20,038 $ 0          
Amortization of debt discount                                       $ 664,953 $ 44,921          
Warrant Issued Under Fourth Note                                                    
Number of securities called by warrants (in shares) 91,350                                 91,350   91,350       12,000 79,350  
Exercise price of warrants or rights (in dollars per share) $ 1.75                                 $ 1.75   $ 1.75       $ 1.75 $ 1.75  
Warrants outstanding $ 103,006                                 $ 103,006   $ 103,006            
Unamortized discount remaining 74,532                                 74,532   74,532            
Warrant Issued with Fifth Note                                                    
Number of securities called by warrants (in shares)             1                                      
Exercise price of warrants or rights (in dollars per share)             $ 1.75                                      
Term of warrants and rights outstanding             5 years                                      
Warrants Issued in Connection with Fifth Note                                                    
Warrants issued during period (in shares)                             300,000 300,000           685,000        
Value of warrants issued during period                                           $ 775,616        
First Note | Convertible Debt | A Single Related Party | Conversion of Convertible Debt to Common Stock                                                    
Convertible notes debt amount                           $ 5,000,000           $ 5,000,000     $ 5,000,000      
Issuance of common shares for extinguishment of convertible debt (in shares)                                       1,585,086            
Debt conversion accrued interest amount                                       $ 944,063            
Second Note | Convertible Debt                                                    
Percentage of subsequent equity stock price                           75.00%                        
Percentage of stock price, fully-diluted common shares                           85.00%                        
Interest rate, stated percentage                           8.25%                        
Interest rate maturity                           12.00%                        
Proceeds from issuance of long-term debt               $ 375,000 $ 250,000 $ 250,000 $ 250,000 $ 375,000 $ 400,000           $ 1,900,000              
Maximum borrowing capacity of debt agreement                           $ 1,900,000                        
Second Note | Convertible Debt | A Single Related Party                                                    
Face amount of principal 1,900,000                                 1,900,000   $ 1,900,000            
Second Note | Convertible Debt | A Single Related Party | Conversion of Convertible Debt to Common Stock                                                    
Convertible notes debt amount                           $ 1,900,000                        
Issuance of common shares for extinguishment of convertible debt (in shares)                                       566,235            
Debt conversion accrued interest amount                                       $ 223,368            
Third Note | Convertible Debt                                                    
Threshold percentage of stock ownership after conversion           4.99%                                        
Interest rate, stated percentage           10.00%                                        
Maximum borrowing capacity of debt agreement           $ 500,000                                        
Conversion price of common stock (in dollars per share)           $ 0.175                                        
Third Note | Convertible Debt | Non-related Party Investors                                                    
Face amount of principal $ 250,000                                 250,000   250,000            
Third Note | Convertible Debt | Conversion of Convertible Debt to Common Stock | Non-related Party Investors                                                    
Convertible notes debt amount                                   $ 47,781   $ 452,219            
Issuance of common shares for extinguishment of convertible debt (in shares) 3,106,068                                 273,034   2,833,034            
Debt conversion accrued interest amount                                       $ 43,562            
Third Note | Convertible Debt | A Single Related Party                                                    
Face amount of principal $ 250,000                                 $ 250,000   250,000            
Third Note | Convertible Debt | A Single Related Party | Conversion of Convertible Debt to Common Stock                                                    
Convertible notes debt amount                                       500,000            
Fourth Note | Convertible Debt                                                    
Interest rate, stated percentage                                                   10.00%
Maximum borrowing capacity of debt agreement 3,000,000                                 3,000,000   3,000,000            
Face amount of principal                                                   $ 3,000,000
Conversion price of common stock (in dollars per share)                                                   $ 1.75
Issuance costs 163,760                                 163,760   163,760            
Net issuance costs remaining 118,492                                 118,492   118,492            
Fourth Note | Convertible Debt | Non-related Party Investors                                                    
Face amount of principal 1,728,000                                 1,728,000   1,728,000            
Fourth Note | Convertible Debt | Conversion of Convertible Debt to Common Stock | Non-related Party Investors                                                    
Convertible notes debt amount                                       $ 3,000,000            
Issuance of common shares for extinguishment of convertible debt (in shares)                                       1,841,036            
Debt conversion accrued interest amount                                       $ 221,775            
Fourth Note | Convertible Debt | Investor                                                    
Face amount of principal 1,272,000                                 1,272,000   1,272,000            
Fifth Note | Convertible Debt                                                    
Unamortized discount remaining   $ 664,953                                                
Fifth Note | Non-convertible Promissory Notes                                                    
Interest rate, stated percentage             10.00%                                      
Proceeds from issuance of long-term debt             $ 125,000                                      
Maximum borrowing capacity of debt agreement       $ 985,000     $ 485,000                                      
Net issuance costs remaining 285,234                                 285,234   285,234   363,748        
Additional borrowing capacity       $ 300,000 $ 200,000                                          
Proceeds from (repayments of) notes payable     $ 985,000                                              
Cash paid for interest (non-convertible notes payable - related and non-related party)     $ 20,038                                              
Amortization of debt discount                                       325,955            
Fifth Note | Non-convertible Promissory Notes | Non-related Party Investors                                                    
Net issuance costs remaining 145,974                                 145,974   145,974   297,325        
Unamortized discount remaining $ 145,974                                 $ 145,974   $ 145,974            
Fifth Note | Non-convertible Promissory Notes | Related Party                                                    
Proceeds from issuance of long-term debt                             $ 860,000   $ 125,000                  
Net issuance costs remaining                                           $ 66,423