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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock Option Activities | Following is a summary of the option activities during the years ended December 31, 2018 and 2017:
|  | Number of Units |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |
Outstanding, December 31, 2016 |  |  | 850,405 |  |  | $ | 0.08 | * |  |  | 7.58 |
Granted |  |  | 374,542 |  |  | $ | 6.39 |  |  |  |  |
Exercised |  |  | (291,402 | ) |  | $ | 0.0001 |  |  |  |  |
Cancelled |  |  | (120,971 | ) |  | $ | 0.12 |  |  |  |  |
Outstanding, December 31, 2017 |  |  | 812,574 |  |  | $ | 3.01 |  |  |  | 5.64 |
Granted |  |  | 1,019,500 |  |  | $ | 5.08 |  |  |  |  |
Exercised |  |  | (29,200 | ) |  | $ | 0.0001 |  |  |  |  |
Cancelled |  |  | (84,850 | ) |  | $ | 4.81 |  |  |  |  |
Outstanding, December 31, 2018 |  |  | 1,718,024 |  |  | $ | 4.18 |  |  |  | 4.64 |
Exercisable, December 31, 2018 |  |  | 1,133,496 |  |  | $ | 3.68 |  |  |  | 4.51 |
*Adjusted due to the change of exercise price of options issued to its Chief Financial Officer effective November 1, 2016.
Schedule of Warrant Activity | Following is a summary of the warrant activities during the years ended December 31, 2018 and 2017:
|  | Number of Units |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (in years) |
Outstanding, December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |
Granted |  |  | 1,070,717 |  |  | $ | 7.57 |  |  |  | 2.12 |
Outstanding, December 31, 2017 |  |  | 1,070,717 |  |  | $ | 7.57 |  |  |  | 2.12 |
Granted |  |  | 402,657 |  |  | $ | 1.7 |  |  |  |  |
Cancelled |  |  | (289,253 | ) |  | $ | 3.94 |  |  |  | 1.50 |
Outstanding,December 31, 2018 |  |  | 1,184,121 |  |  | $ | 1.90 |  |  |  | 1.63 |
Exercisable, December 31, 2018 |  |  | 835,059 |  |  | $ | 1.68 |  |  |  | 1.00 |
Schedule of Stock Compensation Expenses | For the year ended December 31, 2018 and 2017, the Company recorded the following stock compensation in general and administrative expense:
|  | 2018 |  |  | 2017 |
Stock options |  | $ | 1,835,293 |  |  | $ | 323,875 |
Warrants |  |  | 149,294 |  |  |  | 2,718,554 |
Class A common stock grants |  |  | - |  |  |  | 1,302,000 |
Total stock compensation expense |  | $ | 1,984,587 |  |  | $ | 4,344,429 |

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