Stockholders’ Equity (Details1) - $ / shares |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2018 |
Dec. 31, 2017 |
|
| Stock Options, Outstanding, Begining | 20,000 | |
| Stock Options, Granted | 0 | |
| Stock Options, Outstanding, Ending | 20,000 | 20,000 |
| Weighted Average Exercise Price, Outstanding, Begining | $ 6.29 | |
| Weighted Average Exercise Price, Granted | 0 | |
| Weighted Average Exercise Price, Outstanding, Ending | $ 6.29 | $ 6.29 |
| Weighted Average Remaining Contractual Life (in years) | 4 years 4 months 17 days | 4 years 7 months 17 days |
| 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://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| 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://www.xbrl.org/2003/role/presentationRef
|