Quarterly report pursuant to Section 13 or 15(d)

Long-Term Investments (Details)

v3.8.0.1
Long-Term Investments (Details)
3 Months Ended
Sep. 30, 2017
USD ($)
investment
Sep. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Equity Method Investments and Cost Method Investments [Abstract]      
Number of investments | investment 2    
Equity method investment $ 7,524,000   $ 7,467,000
Cost method investment 500,000   500,000
Equity and cost method investment $ 8,024,000   $ 7,967,000
Ownership percentage, 2nd investment 20.20%    
Income (loss) from equity method investment $ 57,000 $ (14,000)  
Ownership percentage, 1st investment 2.50%   2.50%