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Note 7 - Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Jun. 30, 2018
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized Gains (Losses) on Available- for-Sale Investments |  |  | Foreign Currency Translation Adjustments |  |  | Total |
Balance June 30, 2015 |  | $ | 14,382 |  |  |  | (44,975 | ) |  | $ | (30,593 | )
Other comprehensive income (loss) before reclassifications |  |  | (19,924 | ) |  |  | (19,888 | ) |  |  | (39,812 | )
Balance June 30, 2016 |  | $ | (5,542 | ) |  |  | (64,863 | ) |  | $ | (70,405 | )
Other comprehensive income (loss) before reclassifications |  |  | 24,531 |  |  |  | (3,061 | ) |  |  | 21,470 |
Balance June 30, 2017 |  | $ | 18,989 |  |  |  | (67,924 | ) |  | $ | (48,935 | )
Other comprehensive income (loss) before reclassifications |  |  | 18,108 |  |  |  | (1,572 | ) |  |  | 16,536 |
Amounts reclassified from accumulated other comprehensive loss to income |  |  | (12,415 | ) |  |  | - |  |  |  | (12,415 | )
Balance June 30, 2018 |  | $ | 24,682 |  |  |  | (69,496 | ) |  | $ | (44,814 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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