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Stock-Based Compensation (Details Narrative) - USD ($) |  |  |  |  |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 11, 2019 | Jan. 30, 2019 | Sep. 25, 2017 | Dec. 06, 2016 | Feb. 10, 2016 | Jan. 01, 2016 | Apr. 30, 2015 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Share-based compensation options, outstanding, exercise price |  |  |  |  |  |  |  | $ 9.02 | $ 9.02 | $ 9.02 | $ 25.04
Share-based compensation options vested, fair value |  |  |  |  |  |  |  | $ 14,963 | $ 77,660 |  |
Share-based compensation, options, grants in period, weighted average grant date fair value |  |  |  |  |  |  |  | $ 4.49 |  |  |
Number of options, granted |  |  |  |  |  |  |  |  | 43,550 |  |
Employee service share-based compensation, unrecognized, stock options |  |  |  |  |  |  |  | $ 44,359 |  | $ 56,012 |
Employee service share-based compensation, unrecognized compensation not yet recognized, period |  |  |  |  |  |  |  | 2 years |  |  |
2015 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation granted options to purchase shares | 33,200 |  |  |  |  |  |  |  |  |  |
Share-based compensation options, outstanding, exercise price | $ 6.50 |  |  |  |  |  |  |  |  |  |
Employees stock options vesting period, description | Fully vested at issuance through vesting by December 2020 |  |  |  |  |  |  |  |  |  |
Share-based compensation options vested, fair value | $ 24,898 |  |  |  |  |  |  |  |  |  |
2015 Equity Incentive Plan [Member] | Employee Stock Option [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation granted options to purchase shares | 10,100 |  | 15,000 | 2,000 | 4,200 | 5,000 |  |  |  |  |
Share-based compensation options, outstanding, exercise price | $ 6.50 |  | $ 15.00 | $ 38.00 | $ 48.00 | $ 45.00 |  |  |  |  |
Employees stock options vesting period, description | Vesting continuing until 2023 |  | The options were fully vested as of September 25, 2019 | Vesting continuing until December 2020 | The options were fully vested as of February 10, 2020. | The options were fully vested as of January 1,2019 |  |  |  |  |
Share-based compensation options vested, fair value | $ 44,591 |  | $ 321,011 | $ 63,937 | $ 174,748 | $ 196,250 |  |  |  |  |
2015 Equity Incentive Plan [Member] | Employee Stock Option One [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation granted options to purchase shares |  |  | 10,000 |  |  |  |  |  |  |  |
Share-based compensation options, outstanding, exercise price |  |  | $ 19.00 |  |  |  |  |  |  |  |
Employees stock options vesting period, description |  |  | The options were fully vested as of September 25, 2019 |  |  |  |  |  |  |  |
Employee One [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares canceled stock options | 3,000 |  |  |  |  |  |  |  |  |  |
Number of shares canceled, exercise price | $ 45.00 |  |  |  |  |  |  |  |  |  |
Employee Two [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares canceled stock options | 3,200 |  |  |  |  |  |  |  |  |  |
Number of shares canceled, exercise price | $ 48.00 |  |  |  |  |  |  |  |  |  |
Employee Three [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares canceled stock options | 2,000 |  |  |  |  |  |  |  |  |  |
Number of shares canceled, exercise price | $ 38.00 |  |  |  |  |  |  |  |  |  |
Employee Four [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares canceled stock options | 15,000 |  |  |  |  |  |  |  |  |  |
Number of shares canceled, exercise price | $ 15.00 |  |  |  |  |  |  |  |  |  |
Employee Five [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares canceled stock options | 10,000 |  |  |  |  |  |  |  |  |  |
Number of shares canceled, exercise price | $ 19.00 |  |  |  |  |  |  |  |  |  |
Non-qualified Stock Option Agreement [Member] | Sophie Pibouin [Member] | 2015 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation granted options to purchase shares |  |  |  |  |  |  | 2,560 |  |  |  |
Share-based compensation options expiration date |  |  |  |  |  |  | Apr. 29, 2025 |  |  |  |
Share-based compensation options, outstanding, exercise price |  |  |  |  |  |  | $ 37.50 |  |  |  |
Non-qualified Stock Option Agreement [Member] | Individual Consultant [Member] | 2015 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based compensation granted options to purchase shares |  | 250 |  |  |  |  |  |  |  |  |
Share-based compensation options expiration date |  | Dec. 31, 2025 |  |  |  |  |  |  |  |  |
Share-based compensation options, outstanding, exercise price |  | $ 45.00 |  |  |  |  |  |  |  |  |
Share-based compensation options vested percentage |  | 100.00% |  |  |  |  |  |  |  |  |

X
- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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