Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Fair Value Measurement (Details Textual)

v3.5.0.2
Note 11 - Fair Value Measurement (Details Textual) - USD ($)
3 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities $ 0  
Restricted Cash and Investments, Noncurrent $ 7,300,000 $ 7,800,000