Basic and Diluted Net Loss Per Share - Schedule of Computation of Diluted Net Income (Loss) Per Share (Details) - shares |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Total common stock equivalents | 158,543,623 | 165,647,549 |
| Common Stock Warrants [Member] | ||
| Total common stock equivalents | 118,046,862 | 127,434,122 |
| Common Stock Options [Member] | ||
| Total common stock equivalents | 40,496,761 | 38,213,427 |
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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