Note 2 - Selected Balance Sheet Data - Other Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2017 |
Jun. 30, 2017 |
|---|---|---|
| Investments | $ 40,385 | $ 40,385 |
| Other | 3,029 | 3,617 |
| Other assets | $ 43,414 | $ 44,002 |
| X | ||||||||||
- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. No definition available.
|
| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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