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Fair Value Measurements - Schedule of Fair Value Assumptions (Details) | Jun. 30, 2019 $ / shares shares | Dec. 31, 2018 $ / shares shares | Jun. 30, 2018 $ / shares | Mar. 31, 2018 $ / shares
--- | --- | --- | --- | ---
Number of warrants outstanding | shares | 1,000,000 | 1,000,000 |  |
Expiration date | Jun. 21, 2022 | Jun. 21, 2022 |  |
Exercise price | $ 1.13 |  | $ 2.05 | $ 1.13
Stock Price [Member] |  |  |  |
Fair value meaeurement input | 0.46 | 0.67 |  |
Dividend Yield [Member] |  |  |  |
Fair value meaeurement input | 0.00 | 0.00 |  |
Average Volatility Rate [Member] |  |  |  |
Fair value meaeurement input | 0.85 | 0.90 |  |
Risk Free Interest Rate [Member] |  |  |  |
Fair value meaeurement input | 0.0172 | 0.0247 |  |

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