XML 52 R31.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Interest and Other Income (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Other Income And Expenses [Abstract] |
Detail of Other Income, Net | The following table shows the detail of other income, net for the years ended December 31, 2017 and 2016 (in thousands):
|  | Year Ended December 31, |
|  | 2017 |  |  | 2016 |
Gain on sale of assets |  | $ | — |  |  | $ | 2,231 |
Change in derivative liability |  |  | — |  |  |  | 1,156 |
Other Income, net |  |  | 261 |  |  |  | 86 |
Total Other Income, net |  | $ | 261 |  |  | $ | 3,473 |

X
- References No definition available. + Details
Name: | us-gaap_OtherIncomeAndExpensesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration