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Common Stock, Stock Options and Warrants (Details Textual) - USD ($) |  |  |  |  | 1 Months Ended | 12 Months Ended |  |
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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 |  |  |

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