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

Note 6 - Goodwill and Other Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Notes Tables |
Schedule of Other Assets [Table Text Block] |
(in thousands) |  | 201 7 |  |  | 2016 |
Investment in TEL |  |  | 20,145 |  |  |  | 18,526 |
Other, net |  |  | 3,137 |  |  |  | 1,578 |
Total other assets |  | $ | 23,282 |  |  | $ | 20,104 |

X
- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
Name: | us-gaap_ScheduleOfOtherAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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