Common and Preferred Stock - Private Placement (Details) - USD ($) |
Nov. 13, 2019 |
Nov. 07, 2019 |
Jun. 30, 2020 |
Dec. 31, 2019 |
Aug. 15, 2019 |
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| Common stock, par value | $ 0.001 | $ 0.001 | $ 0.001 | ||
| Pre Funded Warrant | |||||
| Common stock, par value | $ 0.001 | ||||
| Offering | |||||
| Common stock, par value | $ 2.4763 | ||||
| Gross proceeds | $ 3,500,000 | ||||
| Estimated net proceeds | $ 3,100,000 | ||||
| Number of common stock, shares issued | 544,950 | ||||
| Investment made | $ 500,000 | ||||
| Offering | Pre Funded Warrant | |||||
| Pre-funded Warrant Price | $ 2.4763 | ||||
| Number of warrants issued | 868,443 | ||||
| Warrants, exercise price | $ 0.001 | ||||
| Offering | Other Warrants [Member] | |||||
| Number of warrants issued | 1,766,751 | ||||
| Warrants, exercise price | $ 2.32 | ||||
| Warrants, term | 5 years | ||||
| Offering | Placement Agent Warrant [Member] | |||||
| Number of warrants issued | 70,670 | ||||
| Warrants, exercise price | $ 2.9716 | ||||
| Dr. Lon E. Bell, Chief Executive Officer and Chairman of the Board [Member] | Offering | |||||
| Number of common stock, shares issued | 201,914 | ||||
| Number of warrants issued | 252,393 |
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- Definition The amount of investment made by the Chief Executive Officer and Chairman of the Board. No definition available.
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- Definition Amount of Pre-funded warrant price. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Cash received on stock transaction after deduction of issuance costs. No definition available.
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- Definition Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor. No definition available.
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- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. No definition available.
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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