Other Assets (Details Narrative) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Other assets | $ 1,564 | $ 1,630 |
| Green Bank [Member] | ||
| Other assets | 1,000 | |
| Alameda Security Deposit [Member] | ||
| Lease deposit receivable in 2017 | 275 | |
| Lease deposit receivable in 2018 | 275 | |
| Facility Closure Trust Deposit [Member] | ||
| Lease deposit receivable in 2016 | 100 | |
| Lease deposit receivable in 2017 | 350 | |
| Lease deposit receivable in 2018 | $ 220 |
| X | ||||||||||
- Definition Amount of facility closure trust agreement contribution. No definition available.
|
| X | ||||||||||
- Definition Amount of facility closure trust agreement contribution in current period. No definition available.
|
| X | ||||||||||
- Definition Amount of facility closure trust agreement contribution two year. No definition available.
|
| X | ||||||||||
- Definition Amount of lease deposit to be returned in the current year. No definition available.
|
| X | ||||||||||
- Definition Amount of lease deposit to be returned in two years. No definition available.
|
| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|