Annual report pursuant to Section 13 and 15(d)

Note 17 - Financial Instruments (Details Textual)

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Note 17 - Financial Instruments (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Restricted Cash and Investments, Noncurrent, Total $ 0 $ 7,300
Available-for-sale Securities, Total 0 $ 0
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Total $ 0