Note 3 - Available-for-sale - Amortized Cost and Market Value of Available-for-sale Securities by Major Security Type (Details) - USD ($) $ in Thousands |
Jun. 30, 2016 |
Jun. 30, 2015 |
|---|---|---|
| Certificates Of Deposit [Member] | ||
| Cost | $ 3,016 | $ 4,089 |
| Market | 3,017 | 4,089 |
| Equity Securities [Member] | ||
| Cost | 29,472 | 29,472 |
| Market | 28,581 | 52,300 |
| Cost | 32,488 | 33,561 |
| Market | $ 31,598 | $ 56,389 |
| X | ||||||||||
- Definition This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|