Stock-Based Compensation (Details Textual) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | |
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Dec. 31, 2018 |
Dec. 31, 2017 |
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| Stock-Based Compensation (Textual) | ||
| Issuance of common stock shares | 1,085,096 | 47,364 |
| Stock Options [Member] | ||
| Stock-Based Compensation (Textual) | ||
| Weighted average grant-date fair value of stock options granted | $ 0.15 | $ 0.28 |
| Total fair value for options | $ 343 | $ 113 |
| Aggregate intrinsic value of options | 483 | $ 4 |
| Estimated stock price | $ 0.24 | |
| Unrecognized compensation expense | $ 640 | $ 181 |
| Exercised option, shares | 293,778 | 53,251 |
| Straight-line basis over weighted average period | 2 years 8 months 12 days | |
| 2018 Equity Incentive Plan [Member] | ||
| Stock-Based Compensation (Textual) | ||
| Common stock reserved for issuance | 2,729,416 | |
| Issuance of common stock shares | 2,372,893 | |
| 2009 Equity Incentive Plan [Member] | ||
| Stock-Based Compensation (Textual) | ||
| Common stock reserved for issuance | 0 | 1,932,300 |
| Unvested shares | 40,707 | 22,451 |
| Accrued expenses | $ 34 | $ 12 |
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- Definition Issuance of common stock shares. No definition available.
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- References No definition available.
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- Definition Straight-line basis over weighted average period. No definition available.
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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Unrecognized cost of unvested share-based compensation awards. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Price of a single share of a number of saleable stocks of a company. No definition available.
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- Definition Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. No definition available.
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- Definition Number of non-vested options outstanding. No definition available.
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- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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