Stockholders' Equity - Stock Options (Details) - Options [Member] - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2019 |
Dec. 31, 2018 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Number Of Stock Options , Outstanding (Beginning) | 60,000 | |
| Number Of Stock Options , Granted | 50,000 | |
| Number Of Stock Options , Outstanding (Ending) | 110,000 | 60,000 |
| Weighted Average Exercise Price , Outstanding (Beginning) | $ 5.43 | |
| Weighted Average Exercise Price , Granted | 3.25 | |
| Weighted Average Exercise Price , Outstanding (Ending) | $ 4.44 | $ 5.43 |
| Weighted Average Remaining Contractual Life (in years) | 8 years 5 months 27 days | 8 years 1 month 2 days |
| Weighted Average Remaining Contractual Life, Granted (in years) | 9 years 6 months 26 days |
| X | ||||||||||
- Definition Weighted average remaining contractual term for option awards grants in period in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
|
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
|
| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|