Stock Based Awards - Schedule of Common Stock Reserved for Future Issuance (Details) - shares |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Equity [Abstract] | ||
| Stock options issued and outstanding | 711,000 | 812,000 |
| Authorized for future option grants | 1,656,000 | 1,612,000 |
| Convertible notes | 124,000 | |
| Warrants outstanding | 209,000 | 209,000 |
| Total | 2,700,000 | 2,633,000 |
| X | ||||||||||
- Definition Convertible notes. No definition available.
|
| X | ||||||||||
- Definition Stock options issued and outstanding. No definition available.
|
| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|