Stockholders' Equity - Summary of Company's Outstanding Stock Warrants and Changes During the Period (Details) - Warrants [Member] |
9 Months Ended |
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Sep. 30, 2018
$ / shares
shares
| |
| Number of Warrants Balance Beginning | shares | 773,966 |
| Number of Warrants Expired | shares | (1,202) |
| Number of Warrants Exercised | shares | (44,000) |
| Number of Warrants Balance Ending | shares | 728,764 |
| Number of Warrants Exercisable | shares | 728,764 |
| Weighted Average Exercise Price Balance Beginning | $ / shares | $ 5.99 |
| Weighted Average Exercise Price Expired | $ / shares | 15.60 |
| Weighted Average Exercise Price Exercised | $ / shares | 1.20 |
| Weighted Average Exercise Price Balance Ending | $ / shares | 6.26 |
| Weighted Average Exercise Price Exercisable | $ / shares | $ 6.26 |
| Weighted Average Remaining Life Balance Beginning | 4 years 1 month 6 days |
| Weighted Average Remaining Life Balance Ending | 3 years 3 months 19 days |
| Weighted Average Remaining Life Exercisable | 3 years 3 months 19 days |
| X | ||||||||||
- Definition Number of equity instruments non equity options exercisable, including both vested and non-vested instruments. No definition available.
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- Definition Weighted Average Exercise Price, exercisable. No definition available.
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- Definition Weighted Average Exercise Price, exercised. No definition available.
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- Definition Weighted Average Exercise Price Expired. No definition available.
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- Definition Weighted Average Exercise Price, outstanding. No definition available.
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| X | ||||||||||
- Definition Weighted Average Contractual Life in Years, outstanding. No definition available.
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| X | ||||||||||
- Definition Weighted Average Contractual Life in Years, outstanding. No definition available.
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- Definition Weighted Average Contractual Life in Years, exercisable. No definition available.
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| X | ||||||||||
- Definition Number of non-option equity instruments exercised by participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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