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Stock-Based Compensation - Schedule of Exercise Prices of Common Stock Options (Details) - $ / shares | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
2016 Stock Incentive Plan [Member] |  |  |
Number of Shares, Outstanding | 8,064,561 | 9,405,541 | 2,176,637
Number of Shares, Exercisable | 4,970,584 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range One [Member] |  |  |
Exercise price upper range | $ 1.00 |  |
Number of Shares, Outstanding | 5,048,750 |  |
Number of Shares, Exercisable | 2,539,496 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Two [Member] |  |  |
Exercise price lower range | $ 1.01 |  |
Exercise price upper range | $ 1.25 |  |
Number of Shares, Outstanding | 1,553,333 |  |
Number of Shares, Exercisable | 1,154,687 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Three [Member] |  |  |
Exercise price lower range | $ 1.26 |  |
Exercise price upper range | $ 1.50 |  |
Number of Shares, Outstanding | 28,309 |  |
Number of Shares, Exercisable | 18,448 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Four [Member] |  |  |
Exercise price lower range | $ 1.51 |  |
Exercise price upper range | $ 1.75 |  |
Number of Shares, Outstanding | 345,000 |  |
Number of Shares, Exercisable | 239,759 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Five [Member] |  |  |
Exercise price lower range | $ 1.76 |  |
Exercise price upper range | $ 2.00 |  |
Number of Shares, Outstanding | 924,169 |  |
Number of Shares, Exercisable | 904,444 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Six [Member] |  |  |
Exercise price lower range | $ 2.01 |  |
Exercise price upper range | $ 2.25 |  |
Number of Shares, Outstanding | 135,000 |  |
Number of Shares, Exercisable | 83,750 |  |
2016 Stock Incentive Plan [Member] | Exercise Price Range Seven [Member] |  |  |
Exercise price lower range | $ 2.26 |  |
Exercise price upper range | $ 2.50 |  |
Number of Shares, Outstanding | 30,000 |  |
Number of Shares, Exercisable | 30,000 |  |
2019 Equity Incentive Plan [Member] |  |  |
Number of Shares, Outstanding | 65,013,645 |  |
Number of Shares, Exercisable |  |  |
Number of Shares, Vested | 55,556 |  |
2019 Equity Incentive Plan [Member] | Exercise Price Range One [Member] |  |  |
Number of Shares, Outstanding | 250,000 |  |
Number of Shares, Exercisable |  |  |
Number of Shares, Vested |  |  |
2019 Equity Incentive Plan [Member] | Exercise Price Range Two [Member] |  |  |
Exercise price upper range | $ 1.00 |  |
Number of Shares, Outstanding | 64,763,645 |  |
Number of Shares, Exercisable |  |  |
Number of Shares, Vested | 55,566 |  |
Stock Outside Option 2016 Plan and 2019 Plan [Member] |  |  |
Exercise price upper range | $ 1.00 |  |
Number of Shares, Outstanding | 3,724,667 | 2,414,000 |
Number of Shares, Exercisable |  |  |
Number of Shares, Vested | 1,203,667 |  |

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