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Stockholders’ Equity and Stock-Based Compensation (Details) - $ / shares | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jan. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Jun. 30, 2016
Warrants outstanding |  | 844,337 | 1,210,905 |  |
Exercise price | $ 0.25 |  |  |  |
Issued To Investors On October 25, 2013 [Member] |  |  |  |  |
Warrants outstanding |  | 163,986 | 163,986 |  |
Exercise price |  | $ 11.50 |  |  |
Warrant exchange for common stock |  |  |  | 59,450 |
Exercise price, new warrant terms |  |  |  | $ 6.25 |
Common stock to be purchased in the offering |  | 250,000 |  |  |
Issued To Investors On November 17, 2014 [Member] |  |  |  |  |
Warrants outstanding |  | 546,919 | 546,919 |  |
Exercise price |  | $ 11.55 |  |  |
Exercise price, new warrant terms |  |  |  |  | $ 6.25
Common stock to be purchased in the offering |  | 546,919 |  |  |
Issued To An Investor On August 10, 2016 [Member] |  |  |  |  |
Warrants outstanding |  |  | 500,000 |  |
Exercise price |  | $ 0.01 |  |  |
Common stock to be purchased in the offering |  | 500,000 |  |  |
Issued to an investment bank regarding the Series B Preferred Stock investment on January 30, 2018 [Member] |  |  |  |  |
Warrants outstanding |  | 133,432 |  |  |
Exercise price |  | $ 1.50 |  |  |
Common stock to be purchased in the offering |  | 133,432 |  |  |

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