Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Fair Value Measurements (Details Textual)

v3.6.0.2
Note 11 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2016
Jun. 30, 2016
Restricted Cash and Investments, Noncurrent $ 7,300 $ 7,800
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities $ 0