Stockholders' Equity (Details) - Employee Stock Option [Member] - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2018 |
Dec. 31, 2017 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number of Shares Nonvested at December 31, 2017 | 1,241,675 | |
| Number of Nonvested, Options granted | 0 | |
| Number of Shares Nonvested at March 31, 2018 | 1,241,675 | 1,241,675 |
| Options vested and exercisable at March 31, 2018 | 0 | |
| Weighted Average Grant Date Fair Value Nonvested at Balance | $ 5.73 | |
| Weighted Average Exercise Price, Options granted | 0 | |
| Weighted Average Grant Date Fair Value Nonvested at Balance | 5.73 | $ 5.73 |
| Weighted Average Exercise Price, Options vested and exercisable | $ 0 | |
| Weighted Average Remaining Contractual Life, Options outstanding (in years) | 9 years 22 days | 9 years 3 months 22 days |
| Weighted Average Remaining Contractual Life, Options granted (in years) | 0 years | |
| Weighted Average Remaining Contractual Life, Options vested and exercisable (in years) | 0 years |
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- Definition Share based Compensation Arrangement by Share based Payment Award Options Granted Weighted Average Remaining Contractual Term No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Gross number of share options (or share units) granted during the period. No definition available.
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of non-vested options outstanding. No definition available.
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- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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