XML 47 R27.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Debt (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Debt Disclosure [Abstract] |
Schedule of future principal payments | The Company’s future principal payments under the mortgage loan are as follows (in thousands):
| Total |  | Less Than 1 Year |  | 1-3 Years |  | 3 - 5 Years |  | More than 5 Years
Debt obligations | $ | 380 |  |  | $ | 195 |  |  | $ | 185 |  |  | $ | — |  |  | $ | — |

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

X
- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
Name: | us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration