Annual report pursuant to Section 13 and 15(d)

Common Stock, Stock Options and Warrants (Details Textual)

v3.20.4
Common Stock, Stock Options and Warrants (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Sep. 08, 2020
Aug. 10, 2020
Feb. 10, 2020
Apr. 03, 2019
Jun. 26, 2020
May 18, 2020
Apr. 06, 2020
Feb. 14, 2020
Jan. 31, 2020
Dec. 31, 2019
Nov. 04, 2019
Sep. 27, 2019
Sep. 16, 2019
Feb. 13, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Feb. 07, 2018
Common Stock, Stock Options and Warrants (Textual)                                    
Proceeds from common stock warrant exercises                             $ 7,156,549 $ 23,216    
Common stock, shares issued                             55,576,996 28,930,493    
Stock option purchase grants                             2,465,000      
Stock-based compensation expense                             $ 803,261 $ 715,983    
Unrecognized total compensation cost related to unvested awards                             $ 1,166,073      
Recognized over weighted average period                             3 years 6 months 18 days      
Board of Directors [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Shares per unit price                             $ 0.76 $ 1.04    
Options vest over terms, description                             All of these options vest over terms of 12 to 36 months and have a term of 10 years. These options vest over terms of 12 to 36 months and have a term of 10 years.    
Common Stock [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Common stock, par value                       $ 0.0001            
Shares per unit price                       $ 0.77            
Warrants to purchase common stock                       547,486            
Estimated fair value of the warrant granted to the placement agent                       $ 323,414            
Sale of stock price                       $ 0.8951            
Sale of stock price per pre-funded unit                       $ 0.895            
Warrants sold and issued to investors                       $ 6,290,335            
Exercise price of warrants                       $ 1.118875            
Common stock issued for services 101,174   150,000       50,000       186,566   94,097 125,000        
Common stock issued for services fair value $ 100,000   $ 306,020       $ 22,750       $ 100,000   $ 94,097 $ 117,500        
Common stock, shares issued     136,000                              
Description of warrants                       The estimated fair value of the 1,060,615 pre-funded warrants was $809,145, and the estimated fair value of the 7,821,230 warrants included in the units and the pre-funded units issued to the investors was $4,845,341.            
Offering, Description                       (i) 6,760,615 units, each unit consisting of one share of common stock and one immediately exercisable five-year warrant to purchase one share at $0.77 per share, and (ii) 1,060,615 pre-funded units, each pre-funded unit consisting of one pre-funded warrant to purchase one share and one immediately exercisable five-year warrant to purchase one share at $0.77 per share.            
Option to purchase share outstanding                             55,576,996 28,930,493 16,198,791  
Warrant [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Common stock outstanding warrants reserve                             26,831,989      
Warrants sold and issued to investors                 $ 1,315,715                  
Exercise price of warrants                 $ 0.77                  
Stock options to purchase exercised                 1,013,101                  
Description of warrants               The Company entered into a warrant exercise agreement for an aggregate of 3,712,218 shares of common stock having an existing exercise price of $0.77 and 2,586,455 shares of common stock at a reduced exercise price of $1.02. In consideration for the exercise of the warrants for cash, the exercising holders received new unregistered warrants to purchase 6,298,673 shares of common stock at an exercise price of $1.02 per share, exercisable six months after issuance and which have a term of exercise equal to five years. The offering closed on February 19, 2020 and net proceeds were $5,013,930 after placement agent fees and offering expenses. The Company also issued warrants to purchase 440,907 shares to the placement agent. The placement agent warrants have identical terms to the investor warrants except that the exercise price is $1.275 per share. The estimated fair value of the 6,298,673 warrants issued to the investors was $5,360,465 and the estimated fair value of the 440,907 warrants issued to the placement agent was $367,022.                    
Recognized over weighted average period                             1 year 10 months 25 days      
Warrant outstanding                             976,164      
2018 Public Offering [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Common stock exercise price per share                             $ 0.0001 $ 0.01    
Number of units sold                   1,060,615           2,321,569    
Number of units sold for gross proceeds                   $ 106           $ 23,216    
Two Thousand Twentyt Public Offering [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Common stock exercise price per share         $ 1.00                          
Number of units sold         1,129,412                          
Number of units sold for gross proceeds         $ 1,129,412                          
Registered Direct and Private Placement Offerings [Member] | Investor [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Other cash expenses related to placements   $ 135,000   $ 85,000   $ 85,000                        
Sale of common stock   9,159,524   3,430,421   7,058,824                        
Warrants sold and issued to investors   $ 569,426   $ 2,709,467   $ 2,138,998                        
Proceeds from common stock warrant exercises       4,834,001   6,877,100                        
Other expense   $ 109,074   $ 10,000   $ 12,901                        
Warrants issued   641,166       494,118                        
Registered Direct and Private Placement Offerings [Member] | Placement Agent [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Sale of common stock   8,700,201   3,430,421   3,529,412                        
Sale of stock price   $ 1.05   $ 1.545   $ 1.0625                        
Warrants sold and issued to investors   $ 9,617,500   $ 169,854   $ 275,724                        
Warrants issued       240,130                            
Description of warrants   The Company paid the underwriter a fee of 7% of the gross proceeds totaling $673,225 and issued the underwriters 641,166 immediately exercisable warrants with an exercise price of $1.3125 per share and a term of five years.   The Company paid the placement agent a fee of 7% of the gross proceeds totaling $371,000 and issued the placement agent 240,130 immediately exercisable two-year warrants with an exercise price of $1.93125 per share.   The Company paid the placement agent for the offering a fee of 7% of the gross proceeds totaling $525,000 and issued the placement agent 494,118 immediately exercisable warrants with an exercise price of $1.3281 per share and a term of five years.                        
Registered Direct and Private Placement Offerings [Member] | Accredited Investors [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Sale of stock price       $ 1.42   $ 1.00                        
Warrants sold and issued to investors       $ 5,300,001   $ 7,500,001                        
Stock Options [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Warrants to purchase common stock                             855,171      
Weighted average period                             10 years      
Common stock, shares issued                             866,667      
Common stock outstanding                             3,390,171 1,771,039    
Stock options to purchase exercised                                  
Stock option purchase grants                                  
Financial advisor warrants were exercised                             4,829      
Aggregate intrinsic value for the warrants outstanding                             $ 72,566      
Options to purchase shares expired                             6,667      
Option to purchase share outstanding                             20,000      
Omnibus Stock Incentive Plan [Member]                                    
Common Stock, Stock Options and Warrants (Textual)                                    
Common stock, shares issued                                   2,000,000
Common stock outstanding                             2,465,000      
Stock option purchase grants                             645,000