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Equity (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 13, 2019
Common shares sold for cash |  | $ 2,959,867 | $ 1,539,251 | $ 1,411,881 |  |  |  |
Options granted, description |  |  |  |  | The stock options granted during the six months ended June 30, 2020 were granted under the 2019 Stock Incentive Plan. The fair values of options granted during the six months ended June 30, 2020 were estimated at the date of grant using the Black-Scholes option-pricing model with the following assumptions: volatility of 137.42% - 139.58%, risk-free rate of 0.25% - 1.67%, annual dividend yield of 0% and expected life of 3.00 – 10.00 years. The aggregate fair value of the options granted during the six months ended June 30, 2020 was $2,644,161. |  |  |
Common shares issued for services |  | $ 398,730 | $ 213,300 | 313,801 | $ 612,030 |  |  |
Common stock, par value |  | $ 0.0001 |  |  | $ 0.0001 |  | $ 0.0001 |
Board of Directors Chairman [Member] |  |  |  |  |  |  |  |
Share price | $ 1.55 |  | $ 1.55 |  |  |  |  |
Common shares sold for cash | $ 1,000,000 |  |  |  |  |  |  |
Common shares sold for cash, shares | 645,161 |  |  |  |  |  |  |
Consulting agreements | Consulting companies [Member] |  |  |  |  |  |  |  |
Common shares issued for services, shares |  |  |  |  | 602,577 |  |  |
Stock-based compensation expense |  |  |  |  | $ 594,530 |  |  |
Prepaid expense |  | $ 17,500 |  |  | $ 17,500 |  |  |
Sales Agreement [Member] |  |  |  |  |  |  |  |
Share price |  | $ 1.74 |  |  | $ 1.74 |  |  |
Common shares sold for cash, shares |  |  |  |  | 2,130,347 |  |  |
Common stock, par value |  |  |  |  |  |  |  | $ 0.0001
Other offering expenses |  |  |  |  | $ 204,772 |  |  |
Net proceed |  |  |  |  | 3,499,118 |  |  |
Option [Member] |  |  |  |  |  |  |  |
Intrinsic values of stock options outstanding |  | $ 3,766,000 |  |  | 3,766,000 |  |  |
Intrinsic values of stock options exercisable |  | 3,467,267 |  |  | 3,467,267 |  |  |
Stock-based compensation expense stock options granted |  | $ 726,600 |  | $ 1,524,139 | $ 1,511,950 | $ 3,796,886 |  |

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