Composition of Certain Balance Sheet Items (Property and Equipment) (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Other Liabilities [Line Items] | ||
| Property and equipment | $ 463 | $ 525 |
| Less: accumulated depreciation | (365) | (289) |
| Property and equipment net | 98 | 236 |
| Furniture and equipment | ||
| Other Liabilities [Line Items] | ||
| Property and equipment | 270 | 253 |
| Vehicles | ||
| Other Liabilities [Line Items] | ||
| Property and equipment | 65 | |
| Software | ||
| Other Liabilities [Line Items] | ||
| Property and equipment | $ 193 | 193 |
| Leasehold improvements | ||
| Other Liabilities [Line Items] | ||
| Property and equipment | $ 14 |