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Stockholders' Equity (Details Narrative) - USD ($) |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 08, 2020 | Jun. 22, 2020 | Feb. 27, 2020 | Dec. 04, 2018 | Aug. 31, 2018 | Sep. 30, 2020 | Sep. 30, 2018 | Mar. 05, 2020 | Sep. 30, 2020 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 12, 2020
Shelf registration statement amount |  |  |  |  |  |  | $ 75,000,000 |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  | $ 1,500,000 |  |  |  | $ 20,250,426 | $ 6,175,527 |  |  |
Warrants exercise price |  |  |  |  |  | $ 0.01 |  |  | $ 0.01 | $ 0.01 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  | 2,666,667 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  | $ 9,100,000 |  |  |  |  |  |  |  |  |  |  |  |
2019 Aspire Purchase Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price, additions |  |  |  |  | $ 15,000,000 |  |  |  |  |  |  | $ 10,000,000 |  |
Aggregate offering price, term |  |  |  |  | 24 months |  |  |  |  |  |  | 24 months |  |
Stock issued during period, shares, new issues |  |  |  |  |  |  |  | 1,000,000 |  |  |  | 500,000 |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  | $ 1,600,000 |  |  |  | $ 700,000 |  |
2018 Aspire Purchase Agreements [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  |  |  |  |  |  |  |  |  |  |  | 3,300,000 | 100,000 |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  |  |  |  | $ 6,300,000 | $ 200,000 |
Capital on DemandTM Sales Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price |  |  |  | $ 16,000,000 |  |  |  |  |  |  |  |  |  |
Capital on Demand Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  |  |  |  |  |  |  |  | 500,000 | 2,100,000 |  | 500,000 |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  | $ 300,000 | $ 4,300,000 |  | $ 1,000,000 |  |
Aggregate value available for issuance |  |  |  |  |  | $ 10,800,000 |  |  | $ 10,800,000 | 10,800,000 |  |  |  |
Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  |  | 4,571,428 |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  | $ 4,800,000 |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share |  |  | $ 1.05 |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Original Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warrants to purchase common stock |  |  | 2,971,428 |  |  |  |  |  |  |  |  |  |  |
Warrants term |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Warrants exercise price |  |  | $ 1.15 |  |  |  |  |  |  |  |  |  |  |
Private Exchange Agreements [Member] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,200,000
Warrants term |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years
Warrants exercise price |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.24
Underwriting Agreement [Member] | Underwritten Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues |  | 2,666,667 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of common stock |  | $ 9,100,000 |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share |  | $ 3.75 |  |  |  |  |  |  |  |  |  |  |  |
Shares purchased, price per share |  | 3.4875 |  |  |  |  |  |  |  |  |  |  |  |
Underwriting discount price per share |  | $ 0.2625 |  |  |  |  |  |  |  |  |  |  |  |
Percentage of underwriting discount on public offering price |  | 0.70% |  |  |  |  |  |  |  |  |  |  |  |
LPC Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues | 26,000,000 |  |  |  |  |  |  |  | 600,000 |  |  |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |
Aggregate value available for issuance |  |  |  |  |  | $ 24,500,000 |  |  | $ 24,500,000 | $ 24,500,000 |  |  |  |
Sale of stock, description of transaction | If we direct Lincoln Park to purchase the maximum number of shares of Common Stock we then may sell in a Regular Purchase, then in addition to such Regular Purchase, and subject to certain conditions and limitations in the LPC Purchase Agreement, we may direct Lincoln Park to make an "accelerated purchase" of an additional amount of Common Stock that may not exceed the lesser of (i) 300% of the number of shares purchased pursuant to the corresponding Regular Purchase and (ii) 30% of the total number of shares of our Common Stock traded on The Nasdaq Capital Market during a specified period on the applicable purchase date as set forth in the Purchase Agreement. Under certain circumstances and in accordance with the Purchase Agreement, the Company may direct Lincoln Park to purchase shares in multiple accelerated purchases on the same trading day. |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage | 9.99% |  |  |  |  |  |  |  |  |  |  |  |  |
LPC Purchase Agreement [Member] | Exchange Cap of Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues | 6,688,588 |  |  |  |  |  |  |  |  |  |  |  |  |
LPC Purchase Agreement [Member] | LPC Commitment Shares [Member] | Lincoln Park Capital Fund, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues | 437,828 |  |  |  |  |  |  |  |  |  |  |  |  |
LPC Purchase Agreement [Member] | Common Stock [Member] | Lincoln Park Capital Fund, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate offering price | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued, price per share | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |
Regular Purchase Share Limit [Member] | Lincoln Park Capital Fund, LLC [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued during period, shares, new issues | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |

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